Ch. 1 Review

GCF + LCM

100

The GCF of 16 and 20

What is 4?

200

The LCM of 16 and 20

What is 80?

300

The GCF of 42 and 63

What is 21?

400

The LCM of 24 and 56

What is 168?

500

The GCF and LCM of 45 and 54

What is GCF: 9 and LCM: 270?

Powers of 10 and Order of Operations

100

7.392 x 10,000

What is 73,920?

200

214.528 x 10⁴ 

What is 2,145,280?

300

2² x (5x5)-20÷ 6/3

What is 30?

400

10² ÷ 5+8x(6-3)

What is 44?

500

8 x 4/2 + 12 -5

    

What is 23?

Fractions

100

The decimal equivalent of 7/8

What is 0.875?

200

6 2/3 as an improper fraction

What is 20/3?

300

32/7 as a mixed number

What is 4 4/7?

400

The LCD of 1/4 and 5/36

What is 36?

500

13/25 + 4/5

What is 1 8/25?

More Fractions...

100

5 3/28 - 3 9/14

What is 1 13/28?

200

5 5/7 x 3/10

What is 1 5/7?

300

28/3 ÷  42/9

What is 2?

400

49/9 ÷ 7

What is 7/9?

500

5/16/3/26

What is 2 17/24?

Word Problems

100

In the first basketball game of the season, Kevin made 10 points and Michael made 13 points. What is the ratio of Kevin's points to total points?

What is 10/23? (or 10:23, 10 to 23)

200

Chaz had 3 quarters, 3 dimes, 8 nickels, and 22 pennies. How much total change did he have?

What is $1.67?

300

Jenny purchased a 24-count box of crayons. If 1/8 of the crayons broke during the first week, how many crayons are not broken?

What is 21?

400

Beethoven wrote 9 symphonies and 32 piano sonatas. What is the ratio of piano sonatas to symphonies? 

What is 32/9?

500

The school cafeteria sold 64 vanilla ice cream cones and 120 chocolate ice cream cones on Monday. What is the ratio of chocolate cones to total cones sold? (hint: reduce if possible)

What is 15/23?