Gcf Ladder

Use a ladder to factor out the GCF:
26 - 22

• 4

• 2(13 + 11)

• 2(13 - 11)

• 1(26 - 22)

Use a ladder to factor out the GCF:
6 + 21

• 3(2 + 7)

• 3(2 - 7)

• 27

• 1(6 + 21)

Use a ladder to factor out the GCF:
36 - 16

• 2(18 - 8)

• 4(9 + 4)

• 20

• 4(9 - 4)

Use a ladder to factor out the GCF:
22 + 33

• 11(2 + 3)

• 11(2 - 3)

• 1(22 + 33)

• 55

Use a ladder to factor out the GCF:
35 - 21

• (35 - 21)

• 14

• (5 + 3)

• (5 - 3)

Based on the diagram, what is the GCF of 24 & 36?

• 223

• 12

• 72

• 3

Based on the diagram, what is the GCF of 30 & 12?

• 23

• 6

• 5

• 3

Based on the diagram, what is the GCF of 54 & 72?

• 233

• 6

• 18

• 3

Based on the diagram, what is the GCF of 24 & 36?

• 12

• 6

• 7

• 322

Based on the diagram, what is the GCF of 12 & 18?

• 12

• 6

• 5

• 322