Unit 1A Study Guide

8 + (-12) =

• -4
• 20
• 4
• -20

Tags

CCSS.7.NS.A.1C

Which expression is equivalent to 4 − (−7)

• -7-4

• 4 - 7
• -4+7

• 7+4

Tags

CCSS.7.NS.A.1B

Determine the sum –46.38 + (–24.6)

• -70.98
• 70.98

• -21.78

• -48.84

Tags

CCSS.7.NS.A.1C

Which situation results in a final value of zero?

• the overall change in temperature when the temperature goes from −10 F to 10 F

• the total profit made when a person buys an item for $2.25 and then sells the item for $2.25

• the overall change in altitude of a hot air balloon after rising 21 kilometers from sea level

• the total distance a person travels when he bikes 3.1 miles to school and then bikes 3.1 miles back home

Tags

CCSS.7.NS.A.1A

Tags

CCSS.7.NS.A.1B

At midnight, the temperature was -8F. At noon, the temperature was 23F. Which expression represents the

increase in temperature?

Tags

CCSS.7.NS.A.1C

Tags

CCSS.7.NS.A.1C

On a recent glider flight, Lucy took a tow to 3000 feet above ground level.

She found a good thermal draft and climbed 1800 feet higher.

Then she hit a big gap and 2250 lost feet.

What was her altitude at that point?

• 2550 feet
• -2550 feet

• 2600 feet

• -2600 feet

Tags

CCSS.7.NS.A.3

• 26.1
• 43.3
• -43.3

• 34.7

Tags

CCSS.7.NS.A.1C

• True

• False

Tags

CCSS.6.NS.C.7C