Three Digit Subtraction (w/ Regrouping)

Front

What is three-digit subtraction?

Back

Three-digit subtraction is the process of subtracting a number with three digits from another three-digit number.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next higher place value when the top digit is smaller than the bottom digit.

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CCSS.7.NS.A.1C

Front

How do you subtract 800 - 574?

Back

800 - 574 = 226.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 696 - 192?

Back

696 - 192 = 504.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If 309 kids signed up for baseball and 238 were boys, how many were girls?

Back

309 - 238 = 71 girls.

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CCSS.3.OA.D.8

Front

How do you find out how many more cars were in the parking lot on Monday than Tuesday if there were 634 on Monday and 192 on Tuesday?

Back

634 - 192 = 442 more cars.

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CCSS.3.OA.D.8

Front

What is the result of 402 - 255?

Back

402 - 255 = 147.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in subtracting with regrouping?

Back

The first step is to check if you need to borrow from the next column.

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CCSS.5.NBT.B.7

Front

When do you need to regroup in subtraction?

Back

You need to regroup when the digit in the top number is smaller than the digit in the bottom number in any column.

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CCSS.2.NBT.B.7

Front

What is the difference between the numbers 800 and 574?

Back

The difference is 226.

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CCSS.4.NBT.B.4