Unit 1 Test Review

Multiplication and Division

100

73 x 25

1,825

200

83 x 73

6,059

300

When 567 is divided by 9 what is the quotient equal to?

63

400

When 2256 is divided by 16 what is the quotient?

141

500

When 6075 is divided by 75 what is the quotient?

81

Prime Factorization/Factors

100

Create a factor tree for the number 60 and then give its prime factorization.

Prime factorization: 2 x 2 x 3 x 5

200

Create a factor tree for the number 72 and then give its prime factorization.

Prime factorization: 2 x 2 x 2 x 3 x 3

300

Which number is a factor of 60

A. 13

B. 26

C. 30

D. 45

C. 30

Factor x Factor = Product

Other factors 1,2,3,4,5,6,10,12.15.60

400

Which number is a factor of 62?

A. 20

B. 31

C. 15

D. 6

B. 31

500

Create a factor tree and write the prime factorization of 360.

2 x 2 x 2 x 3 x 3 x 5

Multiples

100

Find the least common multiple of 7 and 21

LCM = 21

(skip count)

200

Find the least common multiple of 4 and 6

LCM = 12

(skip count)

300

Which number is a multiple of 10?

A. 5             C. 40

B. 2             D. 25

C. 40

Multiples = skip count

400

Which number is a multiple of 15?

A. 3          B. 5

C. 60        D. 85

C. 60

Multiple = skip count

500

Find the least common multiple of 12 and 20

LCM = 60

Word Problems/Area

100

Someone is having a birthday party. They have 14 trays of cupcakes delivered to the party, each containing 6 cupcakes in a tray. There are 21 friends at the party and they are going to eat an equal amount of cupcakes. How many cupcakes does each person get?

14 x 6 = 84 cupcakes

84 total cupcakes divided by 21 people = 4 cupcakes each.

4 cupcakes each per person

200

Find the area of the figure

Area = 50 units squared

300

Find the area of the figure

Area: 2400 ft squared

400

Find the area of the figure

Area = 99 m squared

12 x 4 = 48

12 x 3 = 36

5 x 3 = 15

500

Find the area of the figure

Area = 40 cm squared

GCF

100

Part A: Find the GCF of 26 and 65

Part B: Write the sum of 26+65 as a product of the two number's GCF and another number

Part A: GCF= 13

Part B:    13 (2+5)

                 13 (7)

                    91

Check: 26 + 65 = 91

200

Part A: Find the GCF of 28 and 44

Part B: Write the sum of 28 + 44 as a product of the two number's GCF and anther number

Part A:      GCF= 4

Part B:     4 (7 + 11)

                  4 (18)

                      72

300

Part A: Find the GCF of 36 and 90

Part B: Write the sum of 36 + 90 as a product of the two number's GCF and another number

Part A: 18

Part B:  18 (2 + 5)

              18 (7)

                126

Check: 36 + 90 = 126

400

Part A: Find the GCF 27 and 72

Part B: Write the sum of 27 + 72 as a product of the two numbers GCF and another number.

Part A: GCF = 9

Part B:    9 (3+ 8)

               9 (11)

                 99

Check: 27 + 72 = 99

500

SURPRISE (NOT a GCF question) 

There are 12 bins of baseballs at school with 20 baseballs in each. There are 24 players on the team and they get to take home an even amount of baseballs to practice with. How many baseballs did each player take home?

240 total baseballs divided by 24 players = 10

10 baseballs per player