## Add and Subtract within 30

Name
Date

1
If 5 is subtracted from 8, what is the difference?
2
If 7 is added to 7, what is the sum?
3
If 3 is subtracted from 4, what is the difference?
4
If 21 is added to 4, what is the sum?
5
If 28 is added to 2, what is the sum?
6
If 4 is subtracted from 7, what is the difference?
7
If 1 is subtracted from 6, what is the difference?
8
If 7 is subtracted from 14, what is the difference?
9
If 25 is added to 1, what is the sum?
10
If 2 is subtracted from 16, what is the difference?

Answers Key
1
If 5 is subtracted from 8, what is the difference?
3
2
If 7 is added to 7, what is the sum?
14
3
If 3 is subtracted from 4, what is the difference?
1
4
If 21 is added to 4, what is the sum?
25
5
If 28 is added to 2, what is the sum?
30
6
If 4 is subtracted from 7, what is the difference?
3
7
If 1 is subtracted from 6, what is the difference?
5
8
If 7 is subtracted from 14, what is the difference?
7
9
If 25 is added to 1, what is the sum?
26
10
If 2 is subtracted from 16, what is the difference?
14

# Fluently Add and Subtract within 30 Worksheet

The CCSS.MATH.2.OA.B.2 worksheets with answers for 2nd grade students to practice contextual problems on Fluently add and subtract within 30 using mental strategies is available online for free in printable and downloadable (pdf & image) format. For more questions and answers on 2.OA.B.2 math activities, tap on generate new worksheet to learn, practice, test and verify math skills under the common core cluster (2OAB) Add and subtract within 30 in domain operations and algebraic thinking.

How to Use this Worksheet

To practice these math problems of 2OAB2 worksheets, students are required to fluently add and subtract within 30 using mental strategies. The main objective of these 2.OA.B.2 contextual problems and answer work with steps is to make students to add and subtract within 30. Users can directly refer the answer key to verify the work with steps for the corresponding practice problems given in the 2.OA.B.2 activities under common core state standards for 2nd grade mathematics.

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