Two Digit Subtraction

Front

What is two-digit subtraction?

Back

Two-digit subtraction is the process of subtracting one two-digit number from another two-digit number.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 78 - 47?

Back

31

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 77 - 38?

Back

39

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 53 - 27?

Back

26

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 27 - 15?

Back

12

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CCSS.2.OA.A.1

Front

What is the result of 78 - 37?

Back

41

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you subtract two-digit numbers?

Back

Align the numbers by place value, subtract the ones place, then the tens place.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is borrowing in subtraction?

Back

Borrowing is a method used when the top digit is smaller than the bottom digit in a column.

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CCSS.7.NS.A.1C

Front

What is the difference between minuend and subtrahend?

Back

The minuend is the number from which another number (the subtrahend) is subtracted.

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CCSS.1.OA.A.1

Front

What is a common mistake in two-digit subtraction?

Back

A common mistake is not borrowing correctly when the top digit is smaller than the bottom digit.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2