Unit 1B Test Review

Denzel pays $16,378.44 year for his mortgage. If he writes a check for equal payments each month, what is the resulting change in his checking account balance each month?

• -78

• -1,364.87

• -120.12

• 2

Tags

CCSS.7.EE.B.3

Maria's car insurance totals $720.72 every 6 months. Instead of paying the whole balance at once, she writes a check to make equal monthly payments. What is the monthly change in Maria's checking account balance?

• 2

• -120.12

• -78

• 3 1/4

Tags

CCSS.HSF-LE.A.1B

After 3 hours scuba diving, Muhammad was at a height of -23.85 meters. If Muhammad swam at a constant rate, where would he be after 5 hours?

• -39.75

• 2

• -78

• -120.12

Tags

CCSS.7.NS.A.3

The area of the bottom of a rectangular brownie pan is 262.4 cm². If the length of the pan is 20.5 cm, what is the width of the pan?

• 5379.2 cm

• 3 1/4 cm

• 2 cm

• 12.8 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A cup holds 8 1/3 fluid ounces. How many full cups can be poured from 20 1/2 ounces of lemonade?

• 1

• 2

• 3

• 4

Tags

CCSS.6.NS.A.1

An oil drill has dug to a height of -187 1/5 feet after one day of continuous use. What was the height of the drill after 10 hours?

• -120.12

• 2

• -78

• -10

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Halle is descending a mountain at a constant rate. After 5 1/2 hours, she is -17 7/8 km from her starting location. What is her speed in kilometers per hour?

• 1 1/2

• 3

• 3/4

• 3 1/4

Use long division to convert -7/8 into a decimal.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Use the distributive property to evaluate the expression below.

3 1/3 (-12)

• (3 + 1/3)-12

  -40

• (-12+1/3)3

  -35

• (-12 +3)1/3

  -1

• (3+1/3+-12)

  -8 2/3

Tags

CCSS.7.NS.A.2C

Think of an efficient strategy to solve the problem below. Show your steps and explain your thinking.

-1 X (-4) X(-5) X 1/2

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B