Rational Number Operations

-3 ¼ + ½

• -2 ¾

• 3 ¾

• -3 ¾

• -¾

Sharon wants to make cookies for her class bake sale. She found a recipe that calls for 2/3 cups of flour for each batch of cookies. How many batches can she make using 12 cups of flour?

• 12

• 18

• 6

• 4

• A
• B
• C
• D

What is the product?

⁴/₅ × -¹/₅

• ^{- 5}/₁₀

• ⁴/₁₀

• ^{- 4}/₂₅

• ⁵/₂₅

Mr. Smith has an account balance of -$275.78.  He deposits $539.20 into his account.  What is Mr. Smith's account balance now?

• $813.98

• $263.42

• $539.78

• $345.98

A student has $78 in his checking account. If the student spends $12 on lunch, which number could be combined with the amount left in the account to make zero?

• –90

• –78

• –66

• –12

What is the difference of –96.43 – (–98.67)?

• –195.1

• –2.24

• 2.24

• 195.1

What is the simplified value of the expression below?

• -8.4

• -3.2

• 3.2

• 8.4

What is the simplified value of the expression below? 12.4 x (-6.3)

• -78.12

• -1.97

• 1.97

• 78.12

What is the quotient of 9.18 divided by –3.4?

• -2.7

• -0.27

• 0.27

• 2.7