Adding and subtracting within 20

Adding and subtracting within 20

Assessment

Flashcard

Mathematics

1st Grade

Hard

CCSS
1.OA.C.6, 1.OA.A.1, 2.OA.A.1

+3

Standards-aligned

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15 questions

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1.

FLASHCARD QUESTION

Front

3 - 1 = ?

Back

2

Tags

CCSS.1.OA.C.6

2.

FLASHCARD QUESTION

Front

7 + 6 = ?

Back

13

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

3.

FLASHCARD QUESTION

Front

13 - 3 = ?

Back

10

Tags

CCSS.2.OA.A.1

4.

FLASHCARD QUESTION

Front

10 + 10 = ?

Back

20

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

5.

FLASHCARD QUESTION

Front

15 + 4 = ?

Back

19

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

6.

FLASHCARD QUESTION

Front

What is addition?

Back

Addition is combining two or more numbers to get a total.

Tags

CCSS.1.OA.A.1

7.

FLASHCARD QUESTION

Front

What is subtraction?

Back

Subtraction is taking one number away from another.

Tags

CCSS.2.NBT.B.7

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