## Lesson 1

01/19/2020

Lesson 1

—-Correction on 2019 Fall final exam

—-Fracions

• What is Fraction?
• Operations + , – , * , /
• Dividing Fractions
• Reciprocal
• Divid by Fraction <==> Multiply it by reciprocal
• examples
• exercises

—-Homework

• Practice 1A paper sheet
• workbook 6B: P8 Exercise 3, P9 Exercise 4
• Correction on 2019 Final exam
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## Lesson 14

Review class

*What is percentages?

*Convert percent to fraction

*Convert percent to decimal

*Three types of common percent problems

• What is 10% of 50?

Part= percent*total

10%*50=5

• 5 is what% of 50?

Percent = part/total

5/50=10/100=10%

• 5 is 10% of what?

Total=part/percent

5/10%=(5/10)*100=50

Homework:

1. Review C paper sheet
2. workbook P70 Review 2
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## Lesson 13

12/08/2019

Lesson 13

Common Percentage Problems

Review

1. Finding a percent of a number.

“ What is 10% of 50”

Part= Percent*Total

2. What Percent is it?

“ 5 is What % of 50?”

Percent= Part/ Total

This week we learned the third common type of percentage problems.

3. Find the missing Total

“ 5 is 10% of what? ”

We know Part and percent, we need to figure out what total is?

Total = Part/ percent

• Examples
• Exercises

Homework

1. Workbook 6A P63 3, 4. P65. 3. P67. 2 P68-69 3,4
2. Practice 4D, 4E paper
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11/24/2019

Lesson 12

Common Percentage Problems

1. Finding a percent of a number. Review

“ What is 10% of 50

2. What Percent is it?

“ 5 is What % of 50?”

• Examples
• Exercises

Homework

1. Workbook 6A P48. 3, 4. P55. 4, 5, 6. P56-57. 1,2,3,4
2. Practice 4C paper

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11/17/2019

Lesson 11

1. Review
2. Common Percentage Problems
• Finding a percent of a number

#% of Number <====> #%*Number

• Examples
• Exercises

Homework

1. Workbook 6A P49 4. P50. 1. P53. 3, 4
2. Practice 4B paper
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11/10/2019

Lesson 10

Midterm exam paper review

Percentages

1. What is percentage?
• Special fraction #/100=#%
• percent ( for short)
• few interesting percent: 0%, 100%

2. Percent <====> Fraction form

25%= 25/100. 3%= 3/100

4/5=80/100=80%. 1/8=0.125=12.5%

3. Percent <=====> Decimal Form

20%=0.2. 77%=0.77. 4%=0.04

• Move decimal point to two places to the left

0.075=7.5%. 0.225=22.5%. 0.8=80%

• Move decimal point to two places to the right

Homework:

1. Correct Midterm exam paper
2. Workbook 6A P43-45 1, 2, 3. P46. 2
3. Practice 4A paper
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11/03/2019

Lesson 9

Solid Figures

• Drawing solid figures
• Nets

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10/27/2019

Lesson 8

Midterm Exam

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10/20/2019

Lesson 7

Review lesson, we will have the midterm exam on October 27,2019.

1. Ratios

•  Express the ratios in their simplest forms
•   Changing ratio
•  Example: 99 to 132   3:4         3.5 to 24.5    1:7

2. Proportion

• Missing proportion
• Proportions word problem
• Examples:  196:182=       :91

3. Algebraic expressions

•  Algebraic expression
• Evaluate expressions
• Simplifying expressions
• Examples: find the value  y – 1 + 4, if y=3.     6
Simplify the expression  2 – mn – 2 + 2mn     mn

Homework

worksheet  Review A

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10/13/2019

Lesson 6

1. Review

2.  Algebraic Expressions

• Like terms
• Evaluate:   1)Substitute 2) Using parentheses
• Simplifying: 1) combining like terms 2) using distribution property

Homework

practice 1A

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