Adding and Subtracting Within 20
Flashcard
•
Mathematics
•
1st - 2nd Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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16 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is 15 - 9?
Back
6
Tags
CCSS.2.OA.A.1
2.
FLASHCARD QUESTION
Front
What is 9 + 9?
Back
18
Tags
CCSS.1.OA.C.6
CCSS.2.OA.B.2
3.
FLASHCARD QUESTION
Front
What is 16 + 4?
Back
20
Tags
CCSS.1.OA.C.6
CCSS.2.OA.B.2
4.
FLASHCARD QUESTION
Front
What is 11 - 2?
Back
9
Tags
CCSS.1.OA.C.6
5.
FLASHCARD QUESTION
Front
What is 10 + 7?
Back
17
Tags
CCSS.1.OA.C.6
CCSS.2.OA.B.2
6.
FLASHCARD QUESTION
Front
What does addition mean?
Back
Addition is the process of finding the total or sum by combining two or more numbers.
7.
FLASHCARD QUESTION
Front
What does subtraction mean?
Back
Subtraction is the process of finding the difference between two numbers by taking one number away from another.
Tags
CCSS.2.OA.A.1
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