Adding and subtracting rational numbers

Which sum represents the mixed number 3 1/2 ?

• 3 - 1/2

• 3 + 1/2

• -3 + 1/2

• -3 - 1/2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Which sum represents the mixed number -2 1/5

• -2 - (-1/5)

• -2 + (-1/5)

• -2 + 1/5

• 2 + 1/5

Tags

CCSS.7.NS.A.1C

What is the distance between -5 1/2 and 2 on the number line?

• 7 1/2

• -7 1/2

• 3 1/2

• -3 1/2

Tags

CCSS.7.NS.A.1C

Mr. Clayton measured two pieces of elastic for a science experiment. The teal piece of elastic was 17 7/8 inches long and the white piece of elastic was 7 2/8 inches long. How much longer was the teal piece?

• -10 5/8

• 10 5/8

• -25 1/8

• 25 1/8

Tags

CCSS.7.NS.A.1C

A tailor cut 9 1/6 inches off a skirt and 3 5/6 inches off a pair of pants. How much more did the tailor cut off the skirt than the pants?

• 6 2/3

• -6 2/3

• -5 1/3

• 5 1/3

Tags

CCSS.7.NS.A.1C

 5/8 − (− 7/8)

• 1  1/2
• 2  1/2
• -1  1/2
• -2  1/2

Tags

CCSS.7.NS.A.1C

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13

• 9 + (-22) = 13

• 9 + (-22) = -13

Tags

CCSS.7.NS.A.1C

The temperature was 3* C on Monday and was 7.5 degrees lower the next day. What was the temperature on Tuesday?

• 10.5* C
• 4.5* C
• -4.5* C
• -10.5* C

Tags

CCSS.7.NS.A.1C

Rewrite -(4 + 3) as a sum of the opposites.

• 4 + 3

• -4 + (-3)

• -4 + 3

Tags

CCSS.7.NS.A.1B

Rewrite -(1/2 + (-5)) as a sum of the opposites.

• -1/2 + 5

• -1/2 - 5

• 1/2 + 5

Tags

CCSS.7.NS.A.1B