Partial Products!

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What are Partial Products?

Back

Partial products are the results obtained from multiplying each digit of one number by each digit of another number, and then adding those results together.

Tags

CCSS.4.NBT.B.5

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How do you find the product of 378 x 5 using partial products?

Back

Break down 378 into 300, 70, and 8. Then calculate: (300 x 5) + (70 x 5) + (8 x 5) = 1500 + 350 + 40 = 1890.

Tags

CCSS.5.NBT.B.5

Front

What is an algorithm?

Back

An algorithm is a set of steps used to solve a problem.

Tags

CCSS.7.EE.B.3

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How do you estimate the product of 7,865 x 6?

Back

Round 7,865 to 8,000. Then multiply: 8,000 x 6 = 48,000.

Tags

CCSS.4.NBT.B.5

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What is the product of 9,000 x 8?

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9,000 x 8 = 72,000.

Tags

CCSS.5.NBT.B.5

Front

How do you solve 562 x 7 using partial products?

Back

Break down 562 into 500, 60, and 2. Then calculate: (500 x 7) + (60 x 7) + (2 x 7) = 3500 + 420 + 14 = 3934.

Tags

CCSS.5.NBT.B.5

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What is the first step in using partial products?

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The first step is to break down the numbers into their place values.

Tags

CCSS.4.NBT.B.5

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Why is estimating products useful?

Back

Estimating products helps to quickly assess the size of the answer and check if the final answer is reasonable.

Tags

CCSS.4.NBT.B.5

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What does it mean to round a number?

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Rounding a number means adjusting it to the nearest ten, hundred, or other place value to make calculations easier.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

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What is the importance of place value in multiplication?

Back

Place value helps to understand the value of each digit in a number, which is crucial for accurate multiplication.

Tags

CCSS.4.NBT.B.5