Addition and Subtraction within 20
Flashcard
•
Mathematics
•
KG - 3rd Grade
•
Hard
+3
Standards-aligned
Wayground Content
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Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
2 + 8 = ?
Back
10
Tags
CCSS.1.OA.C.6
CCSS.2.OA.B.2
2.
FLASHCARD QUESTION
Front
11 - ? = 3
Back
8
Tags
CCSS.1.OA.D.8
3.
FLASHCARD QUESTION
Front
11 - ? = 4
Back
7
Tags
CCSS.1.OA.D.8
4.
FLASHCARD QUESTION
Front
18 - ? = 8
Back
10
Tags
CCSS.1.OA.D.8
5.
FLASHCARD QUESTION
Front
8 + 9 = ?
Back
17
Tags
CCSS.1.OA.C.6
CCSS.2.OA.B.2
6.
FLASHCARD QUESTION
Front
What is addition?
Back
Addition is the process of finding the total or sum by combining two or more numbers.
Tags
CCSS.1.OA.A.1
7.
FLASHCARD QUESTION
Front
What is subtraction?
Back
Subtraction is the process of finding the difference between two numbers by removing one from the other.
Tags
CCSS.2.OA.A.1
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