Warm Up 10/21: Number Systems Review

Determine the additive inverse of -9.2

• -9.20

• -9.2

• 0

• 9.2

Tags

CCSS.7.NS.A.1B

Which of the following situations make zero?

• The temperature falls 10 degrees below zero and then rises to 10F.

• A friend borrows $20 and promises to return double the amount.

• A start-up business has income equal to its expenses.

Tags

CCSS.6.NS.C.5

Solve

• -6/12

• -1 1/8

• -9/8

• 0

• -6/4

Tags

CCSS.7.NS.A.1C

Solve.

• -9 1/2

• 9 1/2

• -8 1/2

• 8 1/2

Tags

CCSS.7.NS.A.2A

• -7/48

• 7/48

• -5 1/4

• 5 1/4

Tags

CCSS.7.NS.A.2B

Emma borrowed $89.40 from her sister. She stated she could pay it back in 6 months. What effect will repaying the debt have on her monthly bank account?

• $14.90

• -$14.90

• $89.40

• 89.40

Tags

CCSS.7.NS.A.1B

Solve.

• 20.2

• -4.2

• -32.24

• -161.4

Tags

CCSS.7.NS.A.2B

A skydiver took 10 seconds to drop 500 feet. What is the rate of descent of the skydiver?

• 50 feet per second

• -50 feet per second

• 5000 feet per second

• -5000 feet per secnd

Tags

CCSS.6.NS.C.7C