
Addition and Subtraction Within 20
Flashcard
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
17 - 4 = ?
Back
13
2.
FLASHCARD QUESTION
Front
12 + 7 = ?
Back
19
3.
FLASHCARD QUESTION
Front
20 + 0 = ?
Back
20
4.
FLASHCARD QUESTION
Front
8 - 6 = ?
Back
2
5.
FLASHCARD QUESTION
Front
18 - 18 = ?
Back
0
6.
FLASHCARD QUESTION
Front
What is addition?
Back
Addition is the process of finding the total or sum by combining two or more numbers.
7.
FLASHCARD QUESTION
Front
What is subtraction?
Back
Subtraction is the process of finding the difference between two numbers by taking one number away from another.
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