Addition and Subtraction within 20
Flashcard
•
Mathematics
•
KG - 3rd Grade
•
Practice Problem
•
Hard
Wayground Content
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16 questions
Show all answers
1.
FLASHCARD QUESTION
Front
9 + ? = 10
Back
1
2.
FLASHCARD QUESTION
Front
10 + 2 = ?
Back
12
3.
FLASHCARD QUESTION
Front
17 - ? = 12
Back
5
4.
FLASHCARD QUESTION
Front
? + 4 = 5
Back
1
5.
FLASHCARD QUESTION
Front
? + 1 = 2
Back
1
6.
FLASHCARD QUESTION
Front
5 + ? = 8
Back
3
7.
FLASHCARD QUESTION
Front
12 - ? = 7
Back
5
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