Unit 6 Rational Numbers Review

Carol wants to buy 3 shirts and 2 pairs of pants. The shirts cost $14.89 each, and the pants cost $9.97 each. Carol has $45. What is the best estimate of how much more money she needs in order to buy the shirts and pants?

Ryan finished a bike race in 35.6 minutes. Makenna finished the race 4 1/10 minutes sooner than Ryan finished. How many minutes did it take Makenna to finish the race? (In decimal form)

Tags

CCSS.7.NS.A.1C

What is the value of the expression shown? *Think about when numbers and parenthesis or brackets are glued, what does that mean?

3[5.3 - 3(1.3)]

Tags

CCSS.7.NS.A.3

John's mom asked him to clean out the car. He found 8 cents under the front seat, 96 cents under the floor mat, and 3 dollars and 4 cents in the cup holder. What was the total amount John found while cleaning out the car?

Tags

CCSS.6.NS.B.3

Last month, Jim drove his car 2,718.3 miles. That brought the car's total mileage to 87,416 miles. What was the car's total mileage before last month?

Tags

CCSS.6.NS.B.3

Jacob wrote the expression shown. What do the parentheses indicate in the expression?

 $3\times\ \left(8\ +2\right)\ \div2$  

• The parentheses indicate that 8 + 2 should be solved first.

• The parenthesis indicate that 8 + 2 should be solved last.

• The parentheses indicate that 2 ÷÷2 should be solved last.

• The parentheses indicate that 3 x 8 should be solved first.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the value of the expression shown?

 $8\ \times\left(3.8\ +\ 13.2\right)-6$  

Tags

CCSS.7.NS.A.3

Janelle opened a new case of lightbulbs.

The case contained 3 boxes of light bulbs with 8 light bulbs in a box. Janelle threw 2 of these lightbulbs in the trash because they were damaged. Then she took 7 of the light bulbs out of the case.

Which expression can be used to show that there are 15 light bulbs still in the case?

• 3 x 8 - (2 + 7)

• 3(8) - 2(7)

• 3 x 8 - (2 x 7)

• 3 + 8 - 2 + 7

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Marsha bought a birthday card for $2.86 and a pen for $1.57. She paid with a $20 bill. How much change should Marsha have received?

Tags

CCSS.6.NS.B.3

 $14\ -\ 4\ \times\ \left[6-\left(3\ +2\right)\right]$  

Tags

CCSS.7.NS.A.3