What is 123 + 10?
Mentally add and subtract 10 or 100

Flashcard
•
Mathematics
•
2nd Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
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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