Adding Three Digit Numbers

Front

What is the sum of 126 and 171 after rounding to the nearest hundred?

Back

300

Front

What is the sum of 754 and 126?

Back

880

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the total of 821 and 459?

Back

1280

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is 236 + 452?

Back

688

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is 709 + 94?

Back

803

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What does it mean to round a number?

Back

To change a number to the nearest whole number or to a specific place value.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is a three-digit number?

Back

A number that has three digits, ranging from 100 to 999.

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CCSS.2.NBT.A.3

Front

How do you add two three-digit numbers?

Back

Align the numbers by place value and add each column starting from the right.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is carrying in addition?

Back

When the sum of a column exceeds 9, you carry over the extra value to the next column.

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CCSS.2.NBT.B.7

Front

What is the place value of 7 in the number 754?

Back

The place value of 7 is 700.

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CCSS.4.NBT.A.1