Mental Math- Adding Doubles
Flashcard
•
Mathematics
•
1st - 3rd Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
5 + 5 = ?
Back
10
2.
FLASHCARD QUESTION
Front
9 + 9 = ?
Back
18
3.
FLASHCARD QUESTION
Front
40 + 40 = ?
Back
80
4.
FLASHCARD QUESTION
Front
2 + 2 = ?
Back
4
5.
FLASHCARD QUESTION
Front
33 + 33 = ?
Back
66
6.
FLASHCARD QUESTION
Front
What is adding doubles?
Back
Adding doubles means adding the same number to itself.
7.
FLASHCARD QUESTION
Front
What is the double of 3?
Back
6
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