Lessons Unknown Numbers

Lessons Unknown Numbers

1st Grade

6 Qs

quiz-placeholder

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Lessons Unknown Numbers

Lessons Unknown Numbers

Assessment

Quiz

Mathematics

1st Grade

Hard

CCSS
2.OA.A.1, 2.NBT.B.5

Standards-aligned

Created by

Barbara White

FREE Resource

6 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the unknown number?

17-8=?

8+?=17

Tags

CCSS.2.OA.A.1

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the unknown number?

11-3=?

3+?=11

Tags

CCSS.2.OA.A.1

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the unknown number?

8-5=?

5+?=8

Tags

CCSS.2.OA.A.1

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the unknown number?

14-7=?

7+?=14

Tags

CCSS.2.OA.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the related addition fact for

15-9=6

9+6=15

10+5=15

15-6=9

8+7=15

Tags

CCSS.2.NBT.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the related addition fact for

14-6=8

14-8=6

8+6=14

13+1=14

8+5=13

Tags

CCSS.2.NBT.B.5

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