Addition and Subtraction to 20
Authored by Nekera Sweeting
Mathematics
2nd - 3rd Grade
CCSS covered
Used 53+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
If you know that 14 + 6 = 20, what else do you know?
20 + 14 = 6
20 - 14 = 6
14 - 20 = 6
6 - 14 = 20
Tags
CCSS.1.OA.B.3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which three pairs of numbers all add up to 20?
19 + 1
17 + 3
5 + 15
12 + 9
11 + 7
3 + 16
7 + 20
6 + 12
7 + 19
4 + 12
16 + 8
20 + 1
Tags
CCSS.1.OA.A.1
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which of the following is true?
2 + 18 = 20 so 20 + 18 = 2
2 + 18 = 20 so 18 + 2 = 20
2 + 18 = 20 so 20 + 2 = 18
2 + 18 = 20 so 18 + 20 = 2
Tags
CCSS.1.OA.B.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which 'family' of facts is incorrect?
2 + 18 = 20
18 + 2 = 20
20 - 18 = 2
20 - 2 = 18
16 + 5 = 20
5 + 16 = 20
20 - 16 = 5
20 - 5 = 16
5 + 15 = 20
15 + 5 = 20
20 - 5 = 15
20 - 15 = 5
10 + 10 = 20
20 - 10 = 10
Tags
CCSS.2.NBT.B.5
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which number is missing: 17 + ? = 20
5
9
7
3
Tags
CCSS.1.OA.D.8
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which number fact is correct?
11 + 9 = 20
11 - 6 = 17
4 + 14 = 20
8 + 8 = 17
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
17 – 9 =
10
8
7
8
Tags
CCSS.2.OA.A.1
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