Add And Subtract Tens
Flashcard
•
Mathematics
•
1st Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is adding tens?
Back
Adding tens means increasing a number by a value that is a multiple of ten, like 10, 20, or 30.
2.
FLASHCARD QUESTION
Front
What is subtracting tens?
Back
Subtracting tens means decreasing a number by a value that is a multiple of ten, like 10, 20, or 30.
3.
FLASHCARD QUESTION
Front
What is the number sentence for 100 minus 20?
Back
100 - 20 = 80.
4.
FLASHCARD QUESTION
Front
What is the number sentence for 30 minus 30?
Back
30 - 30 = 0.
5.
FLASHCARD QUESTION
Front
What is the difference between 100 and 50?
Back
The difference is 50.
6.
FLASHCARD QUESTION
Front
What is the number sentence for 70 minus 50?
Back
70 - 50 = 20.
7.
FLASHCARD QUESTION
Front
What is the number sentence for 70 minus 40?
Back
70 - 40 = 30.
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