GRADE 7 NUMBER SYSTEM REVIEW

1. On Monday, the value of a stock decreased by point. On Tuesday, the value increased by point. On Wednesday, the value decreased by point. What number represents the change in stock value after the three days?

• 7/8 point

• 2/8 point

• -1/8 point

• -13/8 point

Tags

CCSS.7.NS.A.1C

1. Which statement below is equivalent to ^–15 – 12?

• -15 + 12

• 12 - -15

• 15 - 12

• -15 + -12

Tags

CCSS.7.NS.A.1C

Scientists determined that Antarctica’s average winter temperature was −34.44°C. The difference between this temperature and Antarctica’s highest recorded temperature was 49.44 degrees. What was Antarctica’s highest recorded temperature?

• −83.88°C

• −15°C

• 15°C

• 83.88°C

Tags

CCSS.7.NS.A.3

1. Doug earns $10.50 per hour working at a restaurant. On Friday he spent 1 3/4 hours cleaning, 2 1/3 hours doing paperwork and 1 5/12 hours serving customers. What were Doug’s earnings?

• $46.97

• $47.25

• $53.00

• $57.75

Tags

CCSS.7.NS.A.3

1. Which expression has a positive product?

• $13\cdot\left(-7\right)$

• $8\ \cdot\ \left(-20\right)$

• $99\div\left(-3\right)$

• $-\frac{1}{3}\cdot\ -\frac{5}{7}$

Tags

CCSS.7.NS.A.2A

1.     Which expression is equivalent to ? $\frac{5}{8}\ -\ \frac{3}{4}\left(8-\frac{1}{3}\right)+1$  

•  $-3\ \frac{3}{8}$  

•  $-3\ \frac{5}{8}$  

•  $-6\ \frac{7}{8}$  

•  $-4\ \frac{1}{8}$  

Tags

CCSS.7.NS.A.3

A clogged bathtub drains at a constant rate. The amount of water in the bathtub changes by -3.75 gallons in one hour. What is the change in the amount of water in the bathtub after 1/3 of an hour?

• -1.25

• -2.25

• -6.25

• -11.25

Tags

CCSS.7.RP.A.3

Destiny is practicing basketball. She makes 8 out of 25 free throws. Which decimal shows how often Destiny makes a basket?

• 3.2

• 3.125

• 0.32

• 0.3125

1. Joe’s apple weighs 4/5 lb. Marta’s apple weighs 0.5 lb. How much more does Joe’s apple weigh than Marta’s?

• 0.3 lb

• .75 lb

• 0.8 lb

• 1.25 lb

Tags

CCSS.7.NS.A.3