The Ladder Method Exit Ticket

Which information is being discovered from the ladder?

• A simplified ratio

• Least Common Multiple

• Greatest Common Factor

• Equivalent Fraction Multipliers

Which information is being discovered from the ladder?

• Simplified Ratio

• Least Common Multiple

• Greatest Common Factor

• Equivalent Fraction Multiplier

Tags

CCSS.4.OA.B.4

Once all common factors have been divided out using the ladder method, how do you find GCF?

• Multiply all the common factors from the left side of the ladder

• Use the numbers at the bottom of the ladder

• Multiply all of the numbers outside the ladder

• Switch the numbers at the bottom of the ladder

Once all the common factors have been divided out using the ladder method, how do you find the LCM?

• Multiply all common factors from the left side of the ladder

• Use the numbers at the bottom of the ladder

• Multiply all the numbers on the outside of the ladder

• Switch the numbers at the bottom of the ladder

Find the Greatest Common Factor (GCF) of 14 & 22

• 1

• 2

• 7

• 14

Find the Least Common Multiple (LCM) of 14 & 22.

• 2

• 77

• 22

• 154

Find the Greatest Common Factor (GCF) for 12 & 27

• 1

• 9

• 3

• 12

What is the Least Common Multiple for 12 & 27

• 9

• 39

• 108

• 324

What is the Least Common Multiple (LCM) for 12 & 30

• 30

• 60

• 36

• 90

What is the Greatest Common Factor (GCF) for 12 & 30

• 2

• 6

• 12

• 30