Mentally add and subtract 10 or 100

Mentally add and subtract 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 123 + 10?

Back

133

2.

FLASHCARD QUESTION

Front

What is 342 - 10?

Back

332

3.

FLASHCARD QUESTION

Front

What is 902 + 10?

Back

912

4.

FLASHCARD QUESTION

Front

What is 71 - 10?

Back

61

5.

FLASHCARD QUESTION

Front

What is 222 + 100?

Back

322

6.

FLASHCARD QUESTION

Front

What does it mean to add 10 to a number?

Back

It means to increase the number by 10.

7.

FLASHCARD QUESTION

Front

What does it mean to subtract 10 from a number?

Back

It means to decrease the number by 10.

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