Mentally add and subtract 10 or 100
Flashcard
•
Mathematics
•
2nd Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is 123 + 10?
Back
133
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
2.
FLASHCARD QUESTION
Front
What is 342 - 10?
Back
332
Tags
CCSS.2.NBT.B.8
3.
FLASHCARD QUESTION
Front
What is 902 + 10?
Back
912
Tags
CCSS.2.NBT.B.8
4.
FLASHCARD QUESTION
Front
What is 71 - 10?
Back
61
Tags
CCSS.1.NBT.C.5
5.
FLASHCARD QUESTION
Front
What is 222 + 100?
Back
322
Tags
CCSS.2.NBT.B.7
6.
FLASHCARD QUESTION
Front
What does it mean to add 10 to a number?
Back
It means to increase the number by 10.
Tags
CCSS.1.NBT.C.5
7.
FLASHCARD QUESTION
Front
What does it mean to subtract 10 from a number?
Back
It means to decrease the number by 10.
Tags
CCSS.1.NBT.C.5
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