Mastering 2-Digit Multiplication with Fun Tricks

Who is thanked for teaching the butterfly method?

• Mr. Smith

• Miss Chi

• Mr. Lee

• Mrs. Brown

What is the first step in the butterfly method?

• Multiply the first yellow wing

• Add a zero

• Multiply the first purple wing

• Add the results

What do you do after multiplying the first purple wing?

• Multiply the second purple wing

• Add a zero

• Add the results

• Multiply the second yellow wing

What is the result of multiplying 2 times 4 in the first example?

• 10

• 4

• 6

• 8

What should you do before starting the yellow butterfly?

• Add a zero

• Add the results

• Multiply the first yellow wing

• Multiply the second purple wing

What is the result of 32 times 21 using the butterfly method?

• 672

• 408

• 512

• 728

What is the first step in solving 32 times 21?

• Multiply the first yellow wing

• Add a zero

• Multiply the first purple wing

• Add the results

What is the result of multiplying 2 times 1 in the new problem?

• 1

• 2

• 3

• 4

What is the result of multiplying 3 times 2 in the new problem?

• 7

• 5

• 6

• 8

What should you do after getting both butterflies?

• Multiply the first yellow wing

• Add the results

• Add a zero

• Multiply the second purple wing