Number System Part 1: Operations

Adding & Subtracting

100

14.325 - 3.25 + 17.181

28.256

200

3.4(2.56 + 3.116)

19.2984

300

Three friends went to the store. Journey bought a jar of pickles for $4.71, Jayden bought frozen corn dogs for $8.55, and Allie bought cookies for $6.24. If they split the check evenly, how much did they pay for their snacks?

$6.50

400

Emily bought 2.19 ounces of glitter and 5.37 ounces of beads for her party. What is the difference in weight between the glitter and the beads?

3.18 ounces

500

A bucket can hold a maximum of 7.85 pounds. In the bucket now is a hammer that weighs 6.03 pounds and a paintbrush that weighs 0.95 pounds. How many more pounds can the bucket hold?

0.87 pounds

Multiplying & Dividing

100

.006 x .0004

.0000024

200

1.216 / 0.16

7.6

300

What is the value of 0.424 / 5.3

0.08

400

The students are having a spaghetti dinner for a fundraiser. A package of butter toast is sold for $3.79 and the garlic toast is sold for $6.55. If they need to purchase 20 packages, how much money altogether would be saved by buying the butter toast, as opposed to the garlic toast.

$55.20

500

1,004 / 8

125.5

Prime Factorization

100

Which of the following is true of the number 19?

a. It is a factor of 19

b. It is a multiple of 19

c. It is a prime number

d. All of the above

d. All of the above

200

What is the prime factorization of 62?

2x31

300

What is the prime factorization of 80?

2x2x2x2x5

400

What is the prime factorization of 42?

2x3x7

500

What is the prime factorization of 156?

2x2x3x13

GCF & LCM

100

Frederick is 15 years old. The GCF of his age and his younger brother's age is 5. How old is his brother? (There are 2 possible answers)

5 or 10

200

Lewis and Clark are stacking cubes. Lewis's cubes are 6cm high, and Clark's cubes are 8cm high. How tall will their stacks be when they are the same height for the first time?

24cm

300

The ban is giving every 5th customer a $20 gift card and every 6th customer a free water bottle. Which customer will receive both gift?

30th customer

400

There are 12 girls and 15 boys in Mrs. Wilma's class. She divided them into the greatest number of groups possible. How many groups were made if each person was in a group.

3 groups

500

Matthew has 12 Marvel pez dispensers and 16 Star Wars pez dispensers. He wants to arrange them in rows so that each row contains the same number of each kind of pez dispenser. What is the greatest number of possible rows?

4

Factoring Expressions

100

Factor the expression using the GCF:

16 + 24

8(2 + 3)

200

Factor the expression using the GCF:

4x + 32

4(x + 8)

300

Factor the expression using the GCF:

25x + 15

5(5x + 3)

400

14x + 21y

7(2x + 3y)

500

A rectangle measures 22 square feet. What is a possible dimension?

2ft x 11ft