Quick review ( Rational numbers and integers)

A submarine at -32 feet dives down 18 feet. After the dive, what will be the submarines elevation?

• 14

• -14

• -50

• 50

Tags

CCSS.7.NS.A.1C

The temperature changed from 3 degrees below zero at midnight to 7 degrees below zero at 2 a.m. How much did the temperature decrease?

• 5 degrees
• 4 degrees
• 10 degrees
• it stayed the same

Tags

CCSS.7.NS.A.1C

-8 + (-14) + 125 =

• 7

• -7

• 103

• -1

Order from least to greatest:
[8, 4, -5, 12, -14, 3]

• 3, 4, -5, 8, 12, -14
• -14, -5, 3, 4, 8, 12
• 12, -14, -5, 3, 4, 8
• -5, -14, 3, 4, 8, 12

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

The set of numbers that are all positive numbers and 0.

• integers

• whole number

• natural numbers

Tags

CCSS.6.NS.C.5

-72 divided by -6

• 12
• 13
• -12
• -13

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Rehaan solved the expression – 46 – (– 4) and got – 50 as the result. What did Rehaan do wrong?

• − 46 - 4 = − 42. Rehaan subtracted −46 and −4 instead of addition

• − 46 + 4 = − 42. Rehaan added −46 and −4 instead of subtraction

There are columns of papers stacked as shown. Which of the following can be the total number of pages shown in the picture. Each column has same number of pages.

• 430

• 375

• 405

• 376

• 30

• 108

• 78

• 180

If you are adding 2 negative numbers, will your answer be positive or negative?

• negative
• positive

Tags

CCSS.7.NS.A.1C