Solving Number Problems

Which statement explains how you can use a number line to determine the number that is 4 more than -9?

• Go to -9 on the number line and then move 4 units to the left.

• Go to -9 on the number line and then move 4 units to the right.

• Go to 4 on the number line and then move 9 units to the right.

• Go to 9 on the number line and then move 4 units to the right.

Tags

CCSS.7.NS.A.1B

Which equation matches the model?

• -7 - 3 = -4

• 3 + (-7) = -4

• -7 + 3 = 4

• -4 + -3 = -7

Tags

CCSS.7.NS.A.1C

Which equation matches this model?

• -7 + 3 = -4

• -4 - 3 = -7

• 4 - 3 = 1

• 4 - (-3) = 7

Tags

CCSS.7.NS.A.1B

Determine the unknown number: 5 + ____ = -9

• 4

• 14

• -14

• -4

Tags

CCSS.7.NS.A.1B

Mr. Grant spends $295 each month to lease a car. Which is the best estimate of how much he spends to lease a car for 72 months?

• $21,000

• $3,000

• $27,000

• $30,000

Tags

CCSS.4.NBT.B.5

Determine the unknown number: ____ - (-8) = -9

• 17

• -17

• 1

• -1

Tags

CCSS.7.NS.A.1B

Determine the unknown number: ____ x -9 x -1 = -9

• 9

• -9

• 1

• -1

• 0

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Determine the unknown number: ____ ÷ -5 x 4 = -20

• 25

• -25

• -20

• 20

• 1

Tags

CCSS.7.NS.A.2C

Evaluate 7¾ + (-2⅕)k for k = -10

• -55½

• -14¼

• 29¾

• 99½

Tags

CCSS.7.NS.A.1D

Andrew estimated he would need 30 minutes to complete his purple study guide. He actually needed 2.5 hours. What was his percent error? Round to the nearest whole percent.

• 80%

• 20%

• 11%

• 92%

Tags

CCSS.6.RP.A.3C