Algebra 2H pds 1,2
After going over the quiz, we started the unit on word problems involving logarithms or natural logs. We went over two formulas - one for growth and decay, and the other for interest compounded continuously.
HW Worksheet # 2-12 evens
EC problem #11 on this worksheet
Geometry H pds 3,5,6
Today, we started the unit on Solids-3 dimensional figures. We learned how to compute the lateral area, total area, and volume of the right prism.
HW Worksheet # 3,6-10 all
EC problem....Draw a right triangular prism. If the base edges are 3 cm,4 cm and 5 cm (right triangle base) and the height of the prism is 8 cm, find the LA, TA and Volume of this prism.
Tuesday, March 31, 2009
Monday, March 30, 2009
Week of March 30th
Algebra 2H pds 1,2
Today was the quiz on Exponential and Logarithmic Functions.
EC puzzle was given out after the quiz--it is due tomorrow.
NO other ec tonight!
Geometry H pds 3,5,6
We did an Activity Worksheet called The Baby, The Mama, and The Papa.
Hopefully, we learned that the ratio of similar figures follow a pattern.
a/b for perimeter or sides, a^2/b^2 for the areas, and a^3/b^3 for the volumes.
Tomorrow, we start learning about surface area and volumes of solids (3 dimensional figures).
No hw tonight!
EC Question....If the ratio of 2 similar triangles is 3:7, find the ratio of their areas and the ratio of their volumes.
Today was the quiz on Exponential and Logarithmic Functions.
EC puzzle was given out after the quiz--it is due tomorrow.
NO other ec tonight!
Geometry H pds 3,5,6
We did an Activity Worksheet called The Baby, The Mama, and The Papa.
Hopefully, we learned that the ratio of similar figures follow a pattern.
a/b for perimeter or sides, a^2/b^2 for the areas, and a^3/b^3 for the volumes.
Tomorrow, we start learning about surface area and volumes of solids (3 dimensional figures).
No hw tonight!
EC Question....If the ratio of 2 similar triangles is 3:7, find the ratio of their areas and the ratio of their volumes.
Friday, March 27, 2009
Algebra 2H pds 1,2
Monday will be the quiz on Logarithms and inverse functions.
To do well, go over the problems from the practice test plus the problems I did during Friday's class.
EC Find log base 4 of 7.
Geometry H pds 3,5,6
Today was the quiz on Areas of Regular Polygons.
EC puzzle on Areas of Circles was given out afterwards.
It is due before the start of class on Monday.
No other ec this weekend.
Monday will be the quiz on Logarithms and inverse functions.
To do well, go over the problems from the practice test plus the problems I did during Friday's class.
EC Find log base 4 of 7.
Geometry H pds 3,5,6
Today was the quiz on Areas of Regular Polygons.
EC puzzle on Areas of Circles was given out afterwards.
It is due before the start of class on Monday.
No other ec this weekend.
Thursday, March 26, 2009
Algebra 2H pds 1,2
After the hw, students received the Practice Review Sheet for the next quiz on Monday. Students worked on the problems during class. \
HW Finish doing ALL problems on the review sheet.
EC problem... Write the inverse equation of f(x)=2x-5. Graph both of these equations.
Geometry H pds 3,5,6
After admiring everyone's mandala projects, we reviewed for tomorrow's quiz on Areas of Regular Polygons. We did Quick Draw for Points to review.
HW Be prepared for tomorrow's quiz. Study the formulas! Bring a scientific calculator if you want to try the bonus problem.
EC problem....If there is a regular decagon, what would be the measure of its central angle? Try to sketch one.
After the hw, students received the Practice Review Sheet for the next quiz on Monday. Students worked on the problems during class. \
HW Finish doing ALL problems on the review sheet.
EC problem... Write the inverse equation of f(x)=2x-5. Graph both of these equations.
Geometry H pds 3,5,6
After admiring everyone's mandala projects, we reviewed for tomorrow's quiz on Areas of Regular Polygons. We did Quick Draw for Points to review.
HW Be prepared for tomorrow's quiz. Study the formulas! Bring a scientific calculator if you want to try the bonus problem.
EC problem....If there is a regular decagon, what would be the measure of its central angle? Try to sketch one.
Wednesday, March 25, 2009
Algebra 2H pds 1,2
Today, we learned many different things about natural logs (ln) and log equations.
It is very important to remember that ln e=1.
HW page 567 #41,45,49,53,and 57
page 574 # 1,5,9,13,21, and 25.
EC problems page 574 # 20 and #32
Geometry H pds 3,5,6
The mandala projects are due tomorrow!!! Hope everyone does a fantastic job!
Today, we finished going over problems involving areas of regular polygons.
There will be a quiz on this one topic on Friday.
HW Practice Quiz # 1-10 all
EC problem...Draw a regular octagon (stop sign). Label its radii, apothem, and central angles. Find the measure of the angle formed when the central angle is bisected by the apothem.
Today, we learned many different things about natural logs (ln) and log equations.
It is very important to remember that ln e=1.
HW page 567 #41,45,49,53,and 57
page 574 # 1,5,9,13,21, and 25.
EC problems page 574 # 20 and #32
Geometry H pds 3,5,6
The mandala projects are due tomorrow!!! Hope everyone does a fantastic job!
Today, we finished going over problems involving areas of regular polygons.
There will be a quiz on this one topic on Friday.
HW Practice Quiz # 1-10 all
EC problem...Draw a regular octagon (stop sign). Label its radii, apothem, and central angles. Find the measure of the angle formed when the central angle is bisected by the apothem.
Tuesday, March 24, 2009
Week of March 23rd
Algebra 2H pds 1,2
We used our calculators to find logs of numbers in base 10 as well as antilogs of numbers (answer when the log is given).
HW pages 567-568 # 1,5,9,13,17,21,25,29,33,37 and #67,71
EC problem....
#74 -Use the data from # 73 for this problem.
Geometry H pds 3,5,6
We klearned that the area formula for any regular polygon is pa/2 (perimeter times apothem divided by 2)
HW Worksheet # 3-9 all and #15-19 all.
EC problem...Draw a regular equilateral triangle. If its apothem = 6cm, find the perimeter and then the area of this figure.
We used our calculators to find logs of numbers in base 10 as well as antilogs of numbers (answer when the log is given).
HW pages 567-568 # 1,5,9,13,17,21,25,29,33,37 and #67,71
EC problem....
#74 -Use the data from # 73 for this problem.
Geometry H pds 3,5,6
We klearned that the area formula for any regular polygon is pa/2 (perimeter times apothem divided by 2)
HW Worksheet # 3-9 all and #15-19 all.
EC problem...Draw a regular equilateral triangle. If its apothem = 6cm, find the perimeter and then the area of this figure.
Monday, March 23, 2009
All students in Algebra Two must have scientific calculators for the lessons on Logarithms!!!!
Pds 1,2 Today, we went over the properties of logarithms. We went over how to expand log expressions and then write the expansion as one log expression. We also learned how to solve Log Equations.
HW pages 559-560 #15,19,23,27,31,35,39,43, and 47.
EC problem...#46.
Geometry H pds 3,5,6
It seems like some of you forgot to study over the weekend for today's quiz!!!
The quiz covered circumference and area of a circle, length of an arc, areas of sectors, and areas of segments of a circle.
HW Work on your Mandala projects...they are due on Thursday!
EC problem....Explain why you did or did not do well on today's quiz. Write at least 4 sentences.
Pds 1,2 Today, we went over the properties of logarithms. We went over how to expand log expressions and then write the expansion as one log expression. We also learned how to solve Log Equations.
HW pages 559-560 #15,19,23,27,31,35,39,43, and 47.
EC problem...#46.
Geometry H pds 3,5,6
It seems like some of you forgot to study over the weekend for today's quiz!!!
The quiz covered circumference and area of a circle, length of an arc, areas of sectors, and areas of segments of a circle.
HW Work on your Mandala projects...they are due on Thursday!
EC problem....Explain why you did or did not do well on today's quiz. Write at least 4 sentences.
Friday, March 20, 2009
Algebra 2H pds 1,2
By Monday, I expect ALL algebra 2 students to have a scientific calculator for use in class and for the homework.
Today, we went over the hw problems and started the section on the Properties of Logs.
We learned that when you multiply logs with the same base, you actually add the logs. We also will find out that when you divide logs with the same base, you subtract the logs.
No hw due to the mininum day schedule.
EC Question- Tell how the technology used in today's lesson helped you to better understand the first property of logs.
Geometry H pds 3,5,6
Remember your Mandala Projects are due on Thursday!!!!
We reviewed the more difficult hw problems. We practiced some problems in class to prepare for Monday's quiz.
The quiz will cover circumference and area of a circle, length of an arc, and areas of sectors and segments. The quiz will be VERY similar to the Practice Quiz you did for Thursday. All formulas must be memorized.
EC problem....Draw a circle with a 12 cm radius. Find its area and circumference using pi in your answer, and then find the same answers using 3.14 as pi.
By Monday, I expect ALL algebra 2 students to have a scientific calculator for use in class and for the homework.
Today, we went over the hw problems and started the section on the Properties of Logs.
We learned that when you multiply logs with the same base, you actually add the logs. We also will find out that when you divide logs with the same base, you subtract the logs.
No hw due to the mininum day schedule.
EC Question- Tell how the technology used in today's lesson helped you to better understand the first property of logs.
Geometry H pds 3,5,6
Remember your Mandala Projects are due on Thursday!!!!
We reviewed the more difficult hw problems. We practiced some problems in class to prepare for Monday's quiz.
The quiz will cover circumference and area of a circle, length of an arc, and areas of sectors and segments. The quiz will be VERY similar to the Practice Quiz you did for Thursday. All formulas must be memorized.
EC problem....Draw a circle with a 12 cm radius. Find its area and circumference using pi in your answer, and then find the same answers using 3.14 as pi.
Thursday, March 19, 2009
Algebra 2H pds 1,2
After reviewing the problems on inverses of functions, we started the new topic: Logarithms. Logs are simply exponents. All students must know how to solve log equations by changing them into exponential form. Also, students must know how to write exponential equations in log form.
HW page 553-554 # 1-57 every other odd.
EC problems...#92 and94.
Geometry H pds 3,5,6
The next quiz will be on Monday. Today, we went over the answers to the Practice Quiz. We also went over some of the tougher questions on page 578 of the textbook.
HW page 591 # 26-33 all and page 592 # 17-20 all.
EC problem...page 578 #24.
After reviewing the problems on inverses of functions, we started the new topic: Logarithms. Logs are simply exponents. All students must know how to solve log equations by changing them into exponential form. Also, students must know how to write exponential equations in log form.
HW page 553-554 # 1-57 every other odd.
EC problems...#92 and94.
Geometry H pds 3,5,6
The next quiz will be on Monday. Today, we went over the answers to the Practice Quiz. We also went over some of the tougher questions on page 578 of the textbook.
HW page 591 # 26-33 all and page 592 # 17-20 all.
EC problem...page 578 #24.
Wednesday, March 18, 2009
Algebra 2H pds 1,2
EC for tenth graders....How easy was the CAHSEE? Explain your answer.
Geometry H pds 3,5,6
After going through the hw problems, we learned how to find the area of a segment of a circle. The formula is: Area of Sector - Area of Triangle.
HW Practice Test Do ALL problems--Show work!
EC problem---Draw a circle with a sector whose central angle = 90º. If the radius = 12 cm, find the area of the segment bound by the two radii and the 90º arc.
EC for tenth graders....How easy was the CAHSEE? Explain your answer.
Geometry H pds 3,5,6
After going through the hw problems, we learned how to find the area of a segment of a circle. The formula is: Area of Sector - Area of Triangle.
HW Practice Test Do ALL problems--Show work!
EC problem---Draw a circle with a sector whose central angle = 90º. If the radius = 12 cm, find the area of the segment bound by the two radii and the 90º arc.
Tuesday, March 17, 2009
Algebra 2H pds 1,2
Due to the CAHSSE testing, no new work was covered today.
Good luck on the math portion tomorrow!!!
Geometry H pds 3,5,6
After I collected last night's hw, we learned the formula for the area of a circle as well as the formula for the area of a sector of a circle (bounded by 2 radii and an arc). We filled out the notes and formulas on a cw paper.
HW Worksheet 10.7 Do all problems except for #4,8, and 18-20.
EC problem...Find the difference in area between a pizza with a 20 inch diameter compared to a pizza with a 16 inch diameter.
Due to the CAHSSE testing, no new work was covered today.
Good luck on the math portion tomorrow!!!
Geometry H pds 3,5,6
After I collected last night's hw, we learned the formula for the area of a circle as well as the formula for the area of a sector of a circle (bounded by 2 radii and an arc). We filled out the notes and formulas on a cw paper.
HW Worksheet 10.7 Do all problems except for #4,8, and 18-20.
EC problem...Find the difference in area between a pizza with a 20 inch diameter compared to a pizza with a 16 inch diameter.
Monday, March 16, 2009
Week of March 16th
Algebra 2H pds 1,2
Today, we finished going over the inverses of functions. We learned that one-to-one functions have inverses that are also functions. If a function is NOT one-to-one, then its inverse is NOT a function (parabola).
HW pages 545-546 #3,7,11,17,25,27,and 31.
EC problem....#36 (This is an easy one!).
Geometry H pds 3,5,6
After going over the hw problems, we learned how to find the length of an arc of a circle. You must memorize this formula.
HW page 570 # 9-26 all and #28-38 evens
EC problem...Find the length of an arc of a circle of radius 15cm if the arc's central angle measures 72º.
Today, we finished going over the inverses of functions. We learned that one-to-one functions have inverses that are also functions. If a function is NOT one-to-one, then its inverse is NOT a function (parabola).
HW pages 545-546 #3,7,11,17,25,27,and 31.
EC problem....#36 (This is an easy one!).
Geometry H pds 3,5,6
After going over the hw problems, we learned how to find the length of an arc of a circle. You must memorize this formula.
HW page 570 # 9-26 all and #28-38 evens
EC problem...Find the length of an arc of a circle of radius 15cm if the arc's central angle measures 72º.
Friday, March 13, 2009
Algebra 2H pds 1,2
After going over the CST answers and the hw on exponential functions, we started Lesson 9-2. This lesson is on The Inverses of Functions. Just switch x with y, and solve for the new y. Both graphs should be symmetric to the line y=x.
HW page 545 # 1,9,13,15, and 19
EC problem....#16.
Geometry H pds 3,5,6
All work from the past two days was collected.
We started the lesson on Circles. Terms like arcs, adjacent arcs, circumference, major and minor arcs, semicircles, and central angles were taught.
HW Worksheet # 1-20 all
EC problem.....Draw Circle O with diameter AD. Place point B in the upper part of your circle. If arc AB measures 53º, find the measure of major arcs BDA, arc BD, and central angles AOB and BOD. Name a semicircle as well.
After going over the CST answers and the hw on exponential functions, we started Lesson 9-2. This lesson is on The Inverses of Functions. Just switch x with y, and solve for the new y. Both graphs should be symmetric to the line y=x.
HW page 545 # 1,9,13,15, and 19
EC problem....#16.
Geometry H pds 3,5,6
All work from the past two days was collected.
We started the lesson on Circles. Terms like arcs, adjacent arcs, circumference, major and minor arcs, semicircles, and central angles were taught.
HW Worksheet # 1-20 all
EC problem.....Draw Circle O with diameter AD. Place point B in the upper part of your circle. If arc AB measures 53º, find the measure of major arcs BDA, arc BD, and central angles AOB and BOD. Name a semicircle as well.
Wednesday, March 11, 2009
Algebra 2H pds 1,2
It is VERY important for ALL students to have a scientific calculator for the chapter that we're currently studying (Logarithms and Exponential Functions). Please be responsible and have your own calculator available for classroom use.
Having said that, today we derived the value of e, an irrational number used in many mathematical calculations. We also learned the formula for continuous interest.
HW page 536 # 24,25d,26a,b,d and 27a.
EC problem page 537 # 28a and b.
Geometry H pds 3,5,6
Today was the long awaited test on Areas of Polygons. Hopefully, all of you studied and did well.
Please bring a ruler to class tomorrow. You will need it for the work you'll be doing.
EC problem...which problem on the test gave you the most trouble? Why?
It is VERY important for ALL students to have a scientific calculator for the chapter that we're currently studying (Logarithms and Exponential Functions). Please be responsible and have your own calculator available for classroom use.
Having said that, today we derived the value of e, an irrational number used in many mathematical calculations. We also learned the formula for continuous interest.
HW page 536 # 24,25d,26a,b,d and 27a.
EC problem page 537 # 28a and b.
Geometry H pds 3,5,6
Today was the long awaited test on Areas of Polygons. Hopefully, all of you studied and did well.
Please bring a ruler to class tomorrow. You will need it for the work you'll be doing.
EC problem...which problem on the test gave you the most trouble? Why?
Tuesday, March 10, 2009
Algebra 2H pds 1,2
We learned the formula for Compound Interest, as well as learning how to solve a math problem involving half-life.
HW page 536 # 8,10,23, and 25. You can omit #25c.
EC problem #26 b.
Geometry H pds 3,5,6
We reviewed problems similar to the ones on tomorrow's test on Areas of Polygons.
Memorize all formulas and BE PREPARED!!!!
HW Study for the test tomorrow!
EC How will you prepare for tomorrow's test? Answer in at least 3 sentences.
We learned the formula for Compound Interest, as well as learning how to solve a math problem involving half-life.
HW page 536 # 8,10,23, and 25. You can omit #25c.
EC problem #26 b.
Geometry H pds 3,5,6
We reviewed problems similar to the ones on tomorrow's test on Areas of Polygons.
Memorize all formulas and BE PREPARED!!!!
HW Study for the test tomorrow!
EC How will you prepare for tomorrow's test? Answer in at least 3 sentences.
Monday, March 9, 2009
Week of March 9th
Algebra 2H pds 1,2
We started Chapter 9 today. It will cover Exponential Functions and Logarithms.
Today, we graphed equations in the form y=a^x. We also learned that exponential graphs have asymptotes, and grow or decay quite fast.
HW page 536 # 1-11 odds, and #17.
EC problem #14
Geometry H pds 3,5,6
We are reviewing for the test on Areas of Polygons, which will be on Wednesday.
After going over the hw answers, students received a review worksheet.
HW Finish all problems not finished during class.
EC problem...A rhombus has diagonals of 12 cm and 16 cm. Find its area and perimeter.
We started Chapter 9 today. It will cover Exponential Functions and Logarithms.
Today, we graphed equations in the form y=a^x. We also learned that exponential graphs have asymptotes, and grow or decay quite fast.
HW page 536 # 1-11 odds, and #17.
EC problem #14
Geometry H pds 3,5,6
We are reviewing for the test on Areas of Polygons, which will be on Wednesday.
After going over the hw answers, students received a review worksheet.
HW Finish all problems not finished during class.
EC problem...A rhombus has diagonals of 12 cm and 16 cm. Find its area and perimeter.
Friday, March 6, 2009
Algebra 2H pds 1,2
Today, we graphed parabolas using the graphing parabola. Students learned how to use the trace key to figure out solutions for graphing.
No hw this weekend!
EC Question...Did the graphing calculator help you to better understand how to graph parabolas? Why or why not?
Geometry H pds 3,5,6
After going over the hw, we did some area problems using the whiteboards. The next quiz on area will be on Wednesday.
HW Worksheet # 1-6 and #10-15 all Calculators can be used.
EC problem...Draw an isosceles triangle. If the sides are 10 cm, 10 cm, and 12 cm, find its area.
Today, we graphed parabolas using the graphing parabola. Students learned how to use the trace key to figure out solutions for graphing.
No hw this weekend!
EC Question...Did the graphing calculator help you to better understand how to graph parabolas? Why or why not?
Geometry H pds 3,5,6
After going over the hw, we did some area problems using the whiteboards. The next quiz on area will be on Wednesday.
HW Worksheet # 1-6 and #10-15 all Calculators can be used.
EC problem...Draw an isosceles triangle. If the sides are 10 cm, 10 cm, and 12 cm, find its area.
Thursday, March 5, 2009
Algebra 2H pds 1,2
Today was the quiz on Quadratic Equations.
No hw!!!
EC question....What was the hardest question on the test? Why?
Geometry H pds 3,5,6
Today, we learned the formula for the area of a Trapezoid. It is
1/2h(base 1 + base 2)
HW Worksheet Do All questions except for # 7,8, and 11.
EC problem....An isosceles trapezoid has bases 8 cm and 20 cm. The legs are 10cm.
Find its area. (Find the height first.)
Today was the quiz on Quadratic Equations.
No hw!!!
EC question....What was the hardest question on the test? Why?
Geometry H pds 3,5,6
Today, we learned the formula for the area of a Trapezoid. It is
1/2h(base 1 + base 2)
HW Worksheet Do All questions except for # 7,8, and 11.
EC problem....An isosceles trapezoid has bases 8 cm and 20 cm. The legs are 10cm.
Find its area. (Find the height first.)
Wednesday, March 4, 2009
Algebra 2H pds 1,2
Tomorrow is the test on Solving Quadratic Equations and Graphing Parabolas. Make sure you review all questions from today's review sheet (especially the ones I mentioned would be on the test!).
HW Be prepared for tomorrow's test!
EC question---How will you prepare for the test? Write a solid paragraph to answer this.
Geometry H pds 3,5,6
Today, we went over the hw as well as the formula for the Area of a Rhombus.
HW Worksheet # 1-16 all
EC problem....A rhombus has a perimeter of 52 cm and one diagonal is 24 cm. Find the area of this rhombus.
Tomorrow is the test on Solving Quadratic Equations and Graphing Parabolas. Make sure you review all questions from today's review sheet (especially the ones I mentioned would be on the test!).
HW Be prepared for tomorrow's test!
EC question---How will you prepare for the test? Write a solid paragraph to answer this.
Geometry H pds 3,5,6
Today, we went over the hw as well as the formula for the Area of a Rhombus.
HW Worksheet # 1-16 all
EC problem....A rhombus has a perimeter of 52 cm and one diagonal is 24 cm. Find the area of this rhombus.
Tuesday, March 3, 2009
Algebra 2H pds 1,2
After going over the parabola graphing questions, the review sheet for Thursday's quiz was given out. All problems on the quiz will be similar to the questions on the review sheet.
HW Do ALL problems on the review sheet.
EC problem....Find the vertex and graph the parabola with equation
y= -2x^2 +12x - 3
Geometry H pds 3,5,6
The trig tests were given back today.
We went over hw questions on the area of a rectangle and square.
We started the lesson on the Area of Parallelograms and Triangles. Tomorrow, we will finish the lesson with the formula for the ARea of a Rhombus.
HW Worksheet from classwork # 1-14 ALL
EC problem...An equilateral triangle has a base of 12 cm. Find its area and perimeter.
After going over the parabola graphing questions, the review sheet for Thursday's quiz was given out. All problems on the quiz will be similar to the questions on the review sheet.
HW Do ALL problems on the review sheet.
EC problem....Find the vertex and graph the parabola with equation
y= -2x^2 +12x - 3
Geometry H pds 3,5,6
The trig tests were given back today.
We went over hw questions on the area of a rectangle and square.
We started the lesson on the Area of Parallelograms and Triangles. Tomorrow, we will finish the lesson with the formula for the ARea of a Rhombus.
HW Worksheet from classwork # 1-14 ALL
EC problem...An equilateral triangle has a base of 12 cm. Find its area and perimeter.
Monday, March 2, 2009
March 2009
Algebra 2H pds 1,2
We learned how to write quadratic equations in parabola form for graphing. The key is to find the vertex, use the line of symmetry, and find two more points for the table. Form: y= a(x-h)^2 +k (h,k) = vertex
HW page 513 # 9,13,15,21, and 23. Graph all problems.
EC problems...#10 and 20
Geometry H pds 3,5,6
After receiving grades for the trig test, we started the new chapter on Areas of Polygons and Circles.
CW worksheet was done during class.
HW Worksheet # 2-16 EVENS and # 17-24 ALL
EC problem....A rectangle has a perimeter of 152 inches and a base of 48 inches. Find its height and area.
We learned how to write quadratic equations in parabola form for graphing. The key is to find the vertex, use the line of symmetry, and find two more points for the table. Form: y= a(x-h)^2 +k (h,k) = vertex
HW page 513 # 9,13,15,21, and 23. Graph all problems.
EC problems...#10 and 20
Geometry H pds 3,5,6
After receiving grades for the trig test, we started the new chapter on Areas of Polygons and Circles.
CW worksheet was done during class.
HW Worksheet # 2-16 EVENS and # 17-24 ALL
EC problem....A rectangle has a perimeter of 152 inches and a base of 48 inches. Find its height and area.
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