Adding/Subtracting by 10s
Flashcard
•
Mathematics
•
2nd Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is 80 + 10?
Back
90
2.
FLASHCARD QUESTION
Front
What is 20 + 30?
Back
50
3.
FLASHCARD QUESTION
Front
What is 55 - 10?
Back
45
4.
FLASHCARD QUESTION
Front
What is 90 - 10?
Back
80
5.
FLASHCARD QUESTION
Front
What is 76 - 20?
Back
56
6.
FLASHCARD QUESTION
Front
What does it mean to add by 10s?
Back
Adding by 10s means increasing a number by 10, like going from 20 to 30.
7.
FLASHCARD QUESTION
Front
What does it mean to subtract by 10s?
Back
Subtracting by 10s means decreasing a number by 10, like going from 30 to 20.
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