Exponents
Operations with Decimals
Evaluating Equations
Distributive Property
Creating Expressions based on word Problems
100
Which expression is equal to 73?
A.
7*7*7
B. 21
C. 37
D. 10
A.
7*7*7 = 343
100
7.2 - 3.67
3.53
100
y + 1.8 = 14.7
y = 12. 9
100
(100 - 2) * 24
2,400 - 48 = 2,352
100
For the following equation, write a story problem represented by the equation. State what quantity x represents in your word problem.
3/4 + x = 2
Jada ran for 2 miles. Elena ran for 3/4 of a mile or .75 of a mile. How much further did Jafa run than Elena? x represents the difference between the distance of Jada's run and Elena's run.
200
Select all the expressions that have the same value.
A. 33
B. 34
C. 62
D. 63
E. 92
F. 93
B. 34
E. 92
both equal 81
200
2.05 ∙ 0.004
0.0084
200
6 = 1/2 z
z = 12
200
(20 + 1)* 15
300 + 15 = 315
200
For the equation, write a story problem represented by the equation. State what quantity x represents. If you get stuck, consider drawing a diagram.
1.5x = 6
1.5 times the amount a bucket holds makes 6 gallons. How many gallons does the bucket hold? x represents the volume in gallons that the bucket holds.
300
Here is an expression 2 + 3h .
a. Evaluate the expression when h is 1.
b. Evaluate the expression when h is 4.
a. 5
b. 83
300
21.2 ∙ 0.02
0.424
300
Which expressions are solutions to the equation 3/4x = 15? Select all that apply.
A.
15/(3/4)
B.
15/(4/3)
C.
(4/3)15
D.
(3/4)15
E. 15 ÷
3/4
A, C, E
300
Which expression is equivalent to 45a-10b?
A. 5(9a - 10b)
B. 45(a - 10b)
C. 5(9a + 2b)
D. 5(9a – 2b)
D. 5(9a – 2b)
300
Andrew makes green paint by mixing 5 cups of yellow paint with 2 cups of blue paint.
To make the same shade of green paint, how much yellow paint does Andrew need if he uses 8 cups of blue paint?
20 cups
400
400. Which expression is equal to
5*5^2
?
A. 5 ∙ 5 ∙ 5
B. 25
C. 53
D. 125
E.35
A. 5 ∙ 5 ∙ 5
C. 53
D. 125
400
0.9 - 0.245
0.655
400
Write an expression to b + b + b + b +b that is a product of a coefficient and a variable.
5b
400
(0.5 + 0.01) *40
20 + 0.4 = 20.4
400
Andrew makes green paint by mixing 5 cups of yellow paint with 2 cups of blue paint.
How much blue paint does Andrew need if he uses 15 cups of yellow paint?
6 cups
500
Which expression is equal to 94?
A. 9 ∙ 9 ∙ 9
B. 9 ∙ 9 ∙ 9 ∙ 9
C. 49
D. 81
E. 6,561
F. 81 ∙ 81
B. 9 ∙ 9 ∙ 9 ∙ 9
E. 6,561
F. 81 ∙ 81
500
0.176 / 5
500
Write an expression equivalent to b + b + b + b + b that is a sum of two terms.
2b + 3b
b + 4b
3b + 2b
4b + b
500
120% of x is equal to 78. Write an equation that shows the relationship between 120%, x and 78. Use your equation to solve for x. Show your reasoning.
1.2x=78
(78/1.2) = 65
x=65
500
Andrew makes green paint by mixing 5 cups of yellow paint with 2 cups of blue paint.
Plot both the previous questions points on a graph and write and equation that shows how y and b are related.
plot points (x,y) (20,8) and (15,6)
b=2/5y