Mentally Add & Subtract 10s & 100s 2nd Grade
Flashcard
•
Mathematics
•
1st - 3rd Grade
•
Hard
+2
Standards-aligned
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15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is 10 + 10?
Back
20
Tags
CCSS.1.OA.C.6
CCSS.2.OA.B.2
2.
FLASHCARD QUESTION
Front
What is 100 - 10?
Back
90
Tags
CCSS.1.NBT.C.5
3.
FLASHCARD QUESTION
Front
What is 50 + 10?
Back
60
Tags
CCSS.2.NBT.B.5
4.
FLASHCARD QUESTION
Front
What is 100 + 100?
Back
200
Tags
CCSS.1.NBT.C.5
5.
FLASHCARD QUESTION
Front
What is 30 - 10?
Back
20
Tags
CCSS.2.NBT.B.5
6.
FLASHCARD QUESTION
Front
What is 70 + 30?
Back
100
Tags
CCSS.2.NBT.B.5
7.
FLASHCARD QUESTION
Front
What is 90 - 10?
Back
80
Tags
CCSS.1.NBT.C.5
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