Operations with Rational Numbers

Operations with Rational Numbers

by Befaney Roberson

Multiple Choice

What is the sum of 1.70+4.65?

• 2.95

• 5.35

• 6.35

• a decimal

Multiple Choice

solve 

• - 2/9

• - 5/9 

• 2/9

• no there

Multiple Choice

What is the simplified value of the expression below?

-2.6 + 5.8

• -8.4

• -3.2

• 3.2

• 8.4

Multiple Choice

You go out for a long walk.  You walk 3/4 mile and then sit down to take a rest.  Then you walk 3/8 of a mile.  How far did you walk altogether?

• 1 1/8

• 3/8

• 6/8

• 1 1/4

Multiple Choice

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

• –195.1

• –2.24

• 2.24

• 195.1

Multiple Choice

7.9 - 3.47=

• 11.37

• 4.43

• 3.32

• 4.37

Multiple Choice

-0.03 - (-0.18) =

• -0.21

• -0.15

• 0.21

• 0.15

Multiple Choice

Anusha brings a $20 bill to the store. She purchases 4 pairs of socks for $2.25 each and a new belt for $7.50. How much change will Anusha receive when she pays for her clothes?

• $3.50

• $7.50

• $9.00

• $16.50

Multiple Choice

You give 1/3 of a pan of brownies to Ms. Long and 1/6 of a pan of brownies to Valery.  How much of the pan of brownies did you give away?

• 2/6

• 1/6

• 1/2

• 1/3

Multiple Choice

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

Multiple Choice

What is the simplified value of the expression below?

-8 * (-3)

• -24

• -11

• 11

• 24

Multiple Choice

What is the simplified value of the expression below?

12.4 x (-6.3)

• -78.12

• -1.97

• 1.97

• 78.12

Multiple Choice

What is the quotient of 9.18 divided by –3.4?

• -2.7

• -0.27

• 0.27

• 2.7

Multiple Choice

Kate gets a paycheck twice a month. Every month, a total of $345.67 is deducted from her paycheck for taxes. If she has been paid 7 paychecks so far this year, which best represents the total effect the taxes have had on her paychecks?

• –$2,419.69

• –$1,209.85

• $1,209.85

• $2,419.69

Multiple Choice

• -6/12

• -5/12

• 5/12

• -5/7