TOOL CHECK

Unit 8 Semester Review

Topics:• Whole Numbers and

Powers • Geometry • Fractions: Multiplication

and Division • Fractions: Add and

Subtract • Decimals: Add and

Subtract • Decimals: Multiplication

and Division • Integers

The Vaughn family was looking to buy a tractor. A new tractor cost $29,950. A used tractor cost

$11,099.

Round each price to the nearest thousand. What is the estimated difference between the prices of

the two tractors?A. $20,000B. $19,000C. $18,000D. $17,000

Sandy had a math problem where she had to find the difference between 3,330,678

and 445,930.

Round each number to the nearest ten thousand.

What is the estimated difference between the two numbers?A.2,880,000

B.2,884,000C.2,885,000D.2,890,000

Kelly's friends handed out fliers for a fundraiser. There were 40 girls and they each handed out 134 fliers. How

many fliers did they hand out in all?

A.40B.134C.536D.5360

The stadium sold the same number of tickets each hour for 8 hours. If they sold 2,000 tickets in all, how many

tickets did they sell each hour?

A.2,500B.2,000C.250D.8

Which shows another way to write 95?

A. 9 x 5 B. 9 + 5C. 9 + 9 + 9 + 9 = 9D. 9 x 9 x 9 x 9 x 9

What is the value of 8 squared?

A. 16B. 64C. 82D. 512

Which of the following shows 63 factored into powers of prime numbers?

A.22 x 7 B.34 x 7 C.32 x 7 D.23 x 7

A triangle has angles that measure 99° and 11°. What is the measure of

the third angle?A.70B.60C.11D.99

What is the measure of Y?A.78B.90C.73D.63

Jaime's dog had a litter of 6 puppies. All together they weighed 5/6 kg. If each puppy weighed the same

amount, how much did one puppy weigh?

A. 5/36 Kg B. 1/5 Kg C. 2 ½ Kg D. 5 kg

Cathy bought 2 ½ yd of ribbon. She wanted to make bookmarks that are 1/8

yd long. How many bookmarks could she make? Express your answer in simplest form.

A.5/16B.2 5/8C.16D.20

A. 7 1/5B. 6 6/5C. 6 1/5D. 7 6/5

Estimate the answer to 65.78 + 13.43 by first

rounding each number to the nearest tenth.A. 80

B. 79.8C. 79.2D. 79

Estimate the answer to 28.56 – 15.98 by first rounding each number to the nearest whole number.

A. 13B. 12.7C. 12D. 10

Corrine bought a coffee and a bagel for $5.35. If the coffee cost $1.95, how much did the bagel cost? $

A. $3.40B. $1.95C. $5.35D. $2.80

Joel spent $15.23 on a gift for his sister and $18.90 on a gift for his mother. How much did he spend altogether?

A. $33.13B. $34.03C. $34.13D. $34.23

Estimate the product.89.65 × 4.75

A. 4.500B. 450C. 45D. 4.5

Estimate the quotient.99,041.294 ÷ 0.894

A. 100.000B. 10.000C. 1.000D. 100

Mary bought 45.2 pounds of paper. She paid $2.25 per

pound. How much did Mary spend on paper?A. $101.70

B. $101.17C. $90D. $45.25

Giselle paid $33.45 at lunch for 5 people. All 5 people had the same meal. How much did Giselle pay for

each meal?A. $6.60B. $6.69C. $6.90D. $167.25

The dots represent which numbers on this number line?

A.-5, +10, +5.5, +4 ½ B. -10, +10, +5.5, +4 ½C.- 5, +5, +5.5, +4 ½ D.-5, +10, +6.5, +4 ½

The temperature was ˉ6°C at noon. The temperature dropped 2°C by sunset.

What was the temperature at sunset?A. ˉ8°C

B. +8°CC. ˉ4°C D. +4°C

Jenny had a golf score of ˉ6 after the first nine

holes. She got ˉ1 on the next hole. What is Jenny's

score now?

QUESTIONS??