Mastering Multiplication of Decimal Numbers

The video tutorial demonstrates how to multiply two decimal numbers, 2.34 and 2.5, by breaking down the process into manageable steps. It begins with setting up the problem, then multiplies each digit of the second number with the first, handling carryovers. The results are added together to form a preliminary answer. Finally, the tutorial explains how to correctly place the decimal point in the final result, ensuring accuracy in decimal multiplication.

What is the first step in setting up the multiplication problem?

• Align the numbers by their leftmost digits

• Align the numbers by their rightmost digits

• Align the numbers by their decimal points

• Align the numbers by their middle digits

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CCSS.5.NBT.B.7

What is the result of multiplying 5 by 4?

• 20

• 15

• 25

• 30

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CCSS.3.OA.C.7

After multiplying 5 by 3 and adding the carried over value, what is the result?

• 19

• 17

• 15

• 13

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CCSS.4.NBT.B.5

What do you do after multiplying 5 by 2 and adding the carried over value?

• Write down 10

• Write down 11

• Write down 12

• Write down 13

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CCSS.4.NBT.B.5

What is the result of multiplying 2 by 4?

• 9

• 8

• 7

• 6

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CCSS.3.OA.C.7

What is the sum of 7 and 8 in the addition step?

• 13

• 14

• 15

• 16

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CCSS.2.OA.C.3

How many decimal places should the final answer have?

• 4

• 3

• 2

• 1

Tags

CCSS.5.NBT.B.7