Mentally add 10 or 100

Mentally add 10 or 100

Assessment

Flashcard

Mathematics

2nd Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is 122 + 100?

Back

222

2.

FLASHCARD QUESTION

Front

What is 517 + 100?

Back

617

3.

FLASHCARD QUESTION

Front

What is 400 + 10?

Back

410

4.

FLASHCARD QUESTION

Front

What is 378 + 10?

Back

388

5.

FLASHCARD QUESTION

Front

What is 668 + 100?

Back

768

6.

FLASHCARD QUESTION

Front

When you add 100 to a number, what happens to the number?

Back

The number increases by 100.

7.

FLASHCARD QUESTION

Front

When you add 10 to a number, what happens to the number?

Back

The number increases by 10.

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