Unit 2 Study Guide

What is the sum of −38 and −14?

• -52

• -24

• 24

• 52

Tags

CCSS.7.NS.A.1C

Peyton says the sum of two numbers can never be zero. Is her reasoning correct?

• Yes

• No

Tags

CCSS.7.NS.A.1C

During a round of golf, Tim's score on hole eight is −7. After hole eighteen, Tim's score increases by 18. What is Tim's score after hole eighteen?

• 25

• 11

• -25

• -11

Tags

CCSS.7.NS.A.1C

Jeremy is digging a hole. The bottom of the hole is -2.8 ft from the top of the hole. Sanjay is on a deck that is 12.3 ft above the top of the hole. How many feet apart are Sanjay and the bottom of the hole?

• 15.1

• 9.5

• -15.1

• -9.5

Tags

CCSS.7.NS.A.1C

Does the order in which you add −6 and 6 matter?

• Yes

• No

Tags

CCSS.7.NS.A.1B

The sum of -14.3 and a number is positive. Identify possible values for that number. Select all that apply.

• -14.3
• 0
• 14.4

• 15
• 17

Tags

CCSS.7.NS.A.1B

Which value of x makes the following statement true?

1.4-x= a positive number

• x = - 1.4

• x = 1.4

• x = 1.6

• x = 2.4

Tags

CCSS.7.NS.A.1B

• 0 m, at the surface

Tags

CCSS.7.NS.A.1C

Decide if the sum of each expression is positive or negative.

-24 + 89

• Positive
• Negative
• Cannot be determined

Tags

CCSS.7.NS.A.1C

Decide if the sum of each expression is positive or negative.

-24 + 89

• Positive
• Negative
• Cannot be determined

Tags

CCSS.7.NS.A.1C