Mastering Long Division with Big 7 and Partial Products

The video tutorial introduces the partial products strategy, also known as the big seven, for division. It explains how to use multiplication facts to divide numbers without needing exact calculations. The tutorial provides examples of dividing 83 by 4, 423 by 6, 92 by 3, 490 by 7, and 894 by 5, demonstrating the step-by-step process and emphasizing the use of remainders. The video encourages practice and highlights the flexibility of using different number chunks to achieve the same result.

What is the alternative name for the partial products method?

• The Small Five

• The Big Ten

• The Big Seven

• The Large Eight

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CCSS.4.NBT.B.5

What is the first step in using the partial products method for division?

• Subtract the divisor from the dividend

• Multiply the divisor by an estimated quotient

• Draw a big seven on the paper

• Divide the dividend by the divisor directly

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CCSS.5.NBT.B.6

CCSS.6.NS.B.2

In the example of 83 divided by 4, what is the remainder?

• 4

• 2

• 5

• 3

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CCSS.4.NBT.B.6

How many groups of 4 fit into 83 in the partial products example?

• 22

• 20

• 21

• 19

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CCSS.4.NBT.B.6

What is the remainder when 6 is divided by 423 using partial products?

• 3

• 4

• 5

• 6

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CCSS.4.NBT.B.6

What is the sum of the multiplication chunks used in the division of 6 by 423?

• 75

• 80

• 70

• 65

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CCSS.5.NBT.B.5

What is the remainder when 92 is divided by 3 using partial products?

• 0

• 3

• 1

• 2

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CCSS.4.NBT.B.6

What is the total number of groups when 490 is divided by 7 using partial products?

• 71

• 72

• 70

• 69

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CCSS.4.NBT.B.6

What is the remainder when 5 is divided by 894 using partial products?

• 6

• 3

• 5

• 4

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CCSS.5.NBT.B.6

CCSS.6.NS.B.2

How many groups are formed when dividing 5 by 894 using partial products?

• 190

• 195

• 200

• 198

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CCSS.5.NBT.B.6

CCSS.6.NS.B.2