Adding and Subtracting Rational Numbers

(-1.75) + 8.3=

• 1.08

• 6.55

• 9.75

• -6.55

1/3 + (- 2/7)

• 1/4

• 13/21

• 3/10

• 1/21

(-3.9) - (-8.26)

• 4.36

• 12.16

• -8.65

• -12.16

2/3 + 2/3

• 4/6

• 4/9

• 1 1/3

• 1 2/3

236.2- 49.8

• 23.82

• 13.82

• --286

• 186.4

The sum of 2 numbers is - 15.8. Identify 2 possible addends.

The difference of 2 numbers is -5.7. What are 2 possible addends?

Mrs. Cocchiaro ran 5 1/4 miles on Monday and 8 2/6 miles on Tuesday. How many more miles did she run on Monday than on Tuesday?

• 3 1/2 miles

• 3 1/6 miles

• 13 5/6 miles

• 3 3/10 miles

Ms. Briell bought a 20 pound turkey for her family's Thanksgiving dinner. After dinner, she weighed the meat and she had 7.29 pounds left. How much turkey did her family eat?

• 17. 29 pounds

• 13.81 pounds

• 27.29 pounds

• 12.71 pounds

Ms. Bucci bought a shirt for $23. 37, shoes for $42. 87, and a belt for $12. 56. She has $65 to spend. Which combination of items can she buy? (could be more than one correct answer)

• the shirt, belt, and shoes

• the shirt and belt

• the shoes and belt

• the shirt and shoes