What is 40 + 20?
Adding Tens
Flashcard
•
Mathematics
•
1st Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
60
2.
FLASHCARD QUESTION
Front
What is 40 + 40?
Back
80
3.
FLASHCARD QUESTION
Front
What is 40 + 50?
Back
90
4.
FLASHCARD QUESTION
Front
What is 10 + 10?
Back
20
5.
FLASHCARD QUESTION
Front
What is 30 + 30?
Back
60
6.
FLASHCARD QUESTION
Front
What is 20 + 20?
Back
40
7.
FLASHCARD QUESTION
Front
What is 50 + 30?
Back
80
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