30 + 30 = ?
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
40 + 30 = ?
Back
70
3.
FLASHCARD QUESTION
Front
10 + 20 = ?
Back
30
4.
FLASHCARD QUESTION
Front
40 + 20 = ?
Back
60
5.
FLASHCARD QUESTION
Front
20 + 10 = ?
Back
30
6.
FLASHCARD QUESTION
Front
What is adding tens?
Back
Adding tens means combining numbers that are multiples of ten.
7.
FLASHCARD QUESTION
Front
What is the sum of 20 and 30?
Back
50
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