Add and subtract within 20
Flashcard
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
10 + 1 =
Back
11
2.
FLASHCARD QUESTION
Front
7 + 2 =
Back
9
3.
FLASHCARD QUESTION
Front
15 + 5 =
Back
20
4.
FLASHCARD QUESTION
Front
20 - 10 =
Back
10
5.
FLASHCARD QUESTION
Front
12 - 6 =
Back
6
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 taking one number away from another.
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