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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