Adding Tens
Flashcard
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
10 + 10 = ?
Back
20
2.
FLASHCARD QUESTION
Front
40 + 40 = ?
Back
80
3.
FLASHCARD QUESTION
Front
20 + 50 = ?
Back
70
4.
FLASHCARD QUESTION
Front
60 + 40 = ?
Back
100
5.
FLASHCARD QUESTION
Front
20 + 20 = ?
Back
40
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 30 and 20?
Back
50
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