10 + 20 =
Adding Tens

Flashcard
•
Mathematics
•
1st Grade
•
Hard
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10 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
30
2.
FLASHCARD QUESTION
Front
30 + 30 =
Back
60
3.
FLASHCARD QUESTION
Front
20 + 20 =
Back
40
4.
FLASHCARD QUESTION
Front
50 + 20 =
Back
70
5.
FLASHCARD QUESTION
Front
Adding
Back
putting things together
6.
FLASHCARD QUESTION
Front
40 + 30 =
Back
70
7.
FLASHCARD QUESTION
Front
40 + 20 =
Back
60
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