adding and subtracting within 20 practice
Flashcard
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
18 - 13 = ?
Back
5
2.
FLASHCARD QUESTION
Front
11 - 2 = ?
Back
9
3.
FLASHCARD QUESTION
Front
2 + 17 = ?
Back
19
4.
FLASHCARD QUESTION
Front
12 - 4 = ?
Back
8
5.
FLASHCARD QUESTION
Front
14 + 4 = ?
Back
18
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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