Review for DCA #1 - Math 7

1. Solve the following problem: 

5 + (-2)

• -7

• 3

• -3

• 7

Tags

CCSS.7.NS.A.1C

• 2.925

• -2.925

• 13.26

• 4.59

Tags

CCSS.7.NS.A.1D

Which two expressions are equivalent? Select TWO that apply

A.   2.56 + 4.6

B.   2.56 + (-4.6)

C.   2.56 - 4.6

D.   2.56 -(-4.6)

• A and B

• B and C

• C and D

• A and C

• A and D

Tags

CCSS.7.NS.A.1B

Kenzie has $21.22. She makes $4.50 picking up trash and her friend gives her $10 back that she borrowed. Kenzie then goes to the store and buys some snacks for $23.14. How much money does she have left over?

• 3.58

• 7.42

• -7.42

• 12.58

Tags

CCSS.7.NS.A.3

Brady takes $10 from his bank account each day for 7 days in a row.  Which equation represents and models the change in Brady’s bank account?

• 10 x - 7 = 70

• (10) - 7 = 3

• (-10) - 7 = -17

• -10 x 7 = -70

Tags

CCSS.7.EE.B.3

The temperature in Zeke’s freezer started at - 1.2 degrees. After 3 minutes it increased by 5 degrees. Then, after another 3 minutes it increased by 3.5 degrees. Then, after 3 minutes it decreased 4.2 degrees. What is the final temperature of the freezer?

• -21.5

• 3.1

• 13.9

• -9.73

Tags

CCSS.7.NS.A.3

• 170

• 660

• 1470

• 2280

Tags

CCSS.7.EE.B.3

Which of the following correctly factors the expression 

       -12x + 6y - 8?

• 2(-6x - 3y - 8)

•  -12(x + 6y - 8)

• -2(6x - 3y + 4)

• 4(-3x -2y + 2)

Tags

CCSS.7.EE.A.1

What is the value of the expression below if X = 5?

 4X - (X - 3)

• 43

• 22

• 18

• 12

Tags

CCSS.6.EE.A.2C

Which of the following is equivalent to…

4B + (5B - 10) = 35

• 1B - 10 = 35

• 20B - 10 = 35

• 20B - 40 = 35

• 9B - 10 = 35

Tags

CCSS.8.EE.C.7B