Find the Greatest Common Factor for each number pair.
Find the Greatest Common Factor for each fraction
Is the number divisible?
Multiplication
Division
100

Find the Greatest Common Factor 

10, 8

10:1x10,2x5

8:1x8,2x4

GCF: 2

100

Find the Greatest Common Factor for each fraction

 5/20

5: 1x5

20: 1x20,2x10,4x5

GCF: 5

100

Is the number divisible?  

75

Yes or No?

Yes! 

15x5=75

100

32x8= 

256

100

18/6

3

200

Find the Greatest Common Factor 

3,15

3:1x3

15:1x15, 3x5

GCF: 3

200

Find the Greatest Common Factor for each fraction 

4/8

4:1x4,2x2

8: 1x8,2x4

GCF: 4

200

Is the number divisible?  

132

Yes or No?

Yes! 

44x3=132

200

18x7= 

126

200

2/55

27r1

300

Find the Greatest Common Factor

4,20

4:1x4,2x2

20:1x20,2x10,4x5

GCF: 4

300

Find the Greatest Common Factor for each fraction 

12/18

12: 1x12,2x6

18:1x18,2x9,3x6

GCF: 6

300

Is the number divisible?  

130

Yes or No?

Yes!

10x13=130

300
524x3=

1,572

300

525/15

35

400

Find the Greatest Common Factor 

6,24

6:1x6,2x3

24:1x24,2x12,3x8,4x6

GCF: 6

400

Find the Greatest Common Factor for each fraction 

10/16

10:1x10,2x5

16:1x16,2x8

GCF: 2

400

Is the number divisible?  

539

Yes or No?

No!

400

3,465x5=

17,325

400

95/4

23r3

500

Find the Greatest Common Factor 

8,24

8: 1x8,2x4

24: 1x24,2x12,3x8

GCF: 8

500

Find the Greatest Common Factor for each fraction 

24/30

24:1x24,2x12,3x8,4x6

30:1x30,2x15,3x10,5x6

GCF: 6

500

Is the number divisible?  

204

Yes or No?

Yes! 

102x2=204

500

Isabelle wants to buy a new bicycle. She has saved $9.76. Her mom tells her she needs to save 8 times that amount. How much money does Isabelle need       in order to buy a bicycle?  

$78.08 needed

500

There are 128 students going on a field trip to the aquarium. The students will need to be put into groups of 8 for the tour. How many groups of students will there be?

16 groups

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