Fraction Operations
Multiple Choice: Which of the following fraction operations require you to find a common denominator before solving?
A. Multiplication
B. Addition
C. Subtraction
D. Addition and Subtraction
D. Addition and Subtraction
Multiple Choice: Which of the following statements is true?
A. The area formula for a rectangle is base times height times width.
B. The area formula for a triangle is base times height divided by 2.
C. The area formula for a parallelogram is different than the area formula for a rectangle.
B is true.
A is false because the formula is just base times height.
C is false because the area formulas for a rectangle and parallelogram are the same.
What does it mean to enlarge a shape?
To make a shape bigger by multiplying each side by the same number (this number is called the "scale factor")
3n + 4
16
3(4) = 12 + 4 = 16
Write 0.07 as a fraction and a percent.
0.07
7/100
7%
Click the link below and solve problem number 1.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
2 and 13/20
Click the link below and solve problem number 5. Practice showing all work and including the proper units in your answer. Use your area formula sheet to help you as needed.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
A = 18 square yards
What does it mean to reduce a shape?
To make a shape smaller by dividing each side length by the same number (this number is called the "scale factor")
Evaluate the following expression when y = 5.
y x 3 x 3
(The x is a times symbol)
45
5 x 3 = 15 x 3 = 45
Write 2/5 as a decimal and a percent.
2/5
0.4
40%
Click the link below and solve problem number 2.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
Acceptable Answers:
2 and 2/6
2 and 1/3
2 and 4/12
Click the link below and solve problem number 6. Practice showing all work and including the proper units in your answer. Use your area formula sheet to help you as needed.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
A = 72 square cm
Click the link below and solve problem number 9. Practice showing all work and including the proper units in your answer. Use your area formula sheet to help you as needed.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
Multiply by 2
Evaluate the following expression when r = 8.
72 / r + 2
( / is a division symbol)
11
72 / 8 = 9 + 2 = 11
Which is larger: 25% or 1/5?
25% is larger
25% is equal is 1/4
1/5 is equal to 20%
Click the link below and solve problem number 3.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
Acceptable Answers:
24/12
2
Click the link below and solve problem number 7. Practice showing all work and including the proper units in your answer. Use your area formula sheet to help you as needed.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
A = 70 square m
Click the link below and solve problem number 10. Practice showing all work and including the proper units in your answer. Use your area formula sheet to help you as needed.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
Multiply by 4.
The missing side length is 28 ft.
Evaluate the following expression when w = 4.
w + 10 - 3
11
4 + 10 = 14 - 3 = 11
Order these numbers from least to greatest:
1/2, 60%, 0.4, 55%, 9/10
0.4, 1/2, 55%, 60%, 9/10
1/2 = 0.5
55% = 0.55
60% = 0.6
9/10 = 0.9
Click the link below and solve problem number 4.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
Acceptable Answers:
195/40
4 and 35/40
4 and 5/8
Click the link below and solve problem number 8. Practice showing all work and including the proper units in your answer. Use your area formula sheet to help you as needed.
https://docs.google.com/document/d/1htpRilUypp8_m6IIUhb8NRzbabH0dKIA1FHhc-wMbcg/edit?tab=t.0
A = 21 square cm
A square has a side length of 16 feet.
A reduction of the square has a side length of 4ft.
What did you reduce the bigger square by to get to the smaller square?
Evaluate the following expression when s = 11.
88 / s + 5
( / is a division symbol)
13
88 / 11 = 8 + 5 = 13
Write 6/8 as a decimal and a percent.
6/8
0.75
75%