Mastering the Multiplication Standard Algorithm

What is a standard algorithm often considered to be?

• A shortcut

• An outdated method

• The most complex method

• The slowest method

Tags

CCSS.2.NBT.B.5

Why is it beneficial to learn multiple methods for solving problems?

• To confuse yourself

• To understand the standard algorithm better

• To avoid using the standard algorithm

• To make problems harder

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CCSS.7.EE.B.3

In the first example, what is the product of 7 times 3?

• 19

• 21

• 22

• 20

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CCSS.3.OA.C.7

What do you do with the '2' in the product of 7 times 3 in the first example?

• Regroup it to the tens place

• Add it to the ones place

• Ignore it

• Subtract it

Tags

CCSS.5.NBT.B.5

In the second example, what is the product of 4 times 5?

• 25

• 20

• 30

• 15

Tags

CCSS.3.OA.C.7

What is the next step after multiplying the ones place in the second example?

• Multiply the tens place

• Subtract the digits

• Add the digits

• Divide the digits

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CCSS.5.NBT.B.5

In the third example, what is the product of 4 times 4?

• 16

• 18

• 14

• 12

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CCSS.3.OA.A.1

What do you do with the '1' in the product of 4 times 4 in the third example?

• Add it to the ones place

• Subtract it

• Regroup it to the tens place

• Ignore it

Tags

CCSS.5.NBT.B.5

What is the final product in the third example after adding the regrouped digit?

• 23

• 24

• 25

• 26

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What should you do if you have trouble solving the problems using the standard algorithm?

• Guess the answers

• Skip the problems

• Rewind the video and watch the steps again

• Ask someone else to solve them

Tags

CCSS.2.NBT.B.5