Mastering Multiplication of Single Digit by Multi-Digit Numbers

Miss Bishop from Jonath Long Elementary School teaches how to multiply two-digit and three-digit numbers by single-digit numbers using expanded notation and the distributive property. The video provides step-by-step examples, demonstrating how to decompose numbers and apply multiplication strategies effectively. The lesson concludes with encouragement to practice the techniques learned.

Why is it important to understand multiplication strategies before learning to multiply multi-digit numbers?

• To practice subtraction

• To learn how to divide numbers

• To ensure you understand the concept of multiplication

• To make sure you can add numbers correctly

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CCSS.4.NBT.B.5

What is the value of the tens place in the number 37?

• 7

• 30

• 37

• 3

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CCSS.4.NBT.A.1

How do you decompose the number 37 for multiplication?

• 3 + 70

• 3 + 7

• 37 + 0

• 30 + 7

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CCSS.4.NBT.B.5

What is the result of 30 times 4?

• 120

• 12

• 300

• 30

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CCSS.4.NBT.B.5

When multiplying 489 by 7, what is the value of 400 times 7?

• 28

• 2800

• 280

• 4000

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CCSS.4.NBT.B.5

What is the sum of 2800, 560, and 63?

• 3423

• 3420

• 3500

• 3400

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CCSS.4.NBT.B.4

How do you decompose the number 4128 for multiplication?

• 4000 + 100 + 20 + 8

• 400 + 1000 + 20 + 8

• 4000 + 100 + 200 + 8

• 4000 + 1000 + 20 + 8

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CCSS.4.NBT.B.5

What is the result of 4000 times 6?

• 24

• 24000

• 2400

• 240

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CCSS.4.NBT.B.5

What is the final sum of 24000, 600, 120, and 48?

• 24768

• 24678

• 24786

• 24876

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What should you do after decomposing and multiplying each part of a number?

• Add the results together

• Subtract the results

• Multiply the results again

• Divide the results

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CCSS.4.NBT.B.5