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Addition and Missing Addends

Practice addition and finding missing addends with this Grade 3 math worksheet.

Grade 3 Math AdditionAddition and Missing Addends
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Includes

2 Short AnswerFill in the BlanksWord Bank

Standards

CCSS.MATH.CONTENT.3.NBT.A.2

Topics

mathadditionmissing addendsgrade 3
6 sections · Free to use · Printable
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Addition and Missing Addends

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Date:

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Read each question carefully and solve for the sum or the missing addend.

Solve the following addition problems.

1. 45 + 23 =  

2. 78 + 14 =  

3. 123 + 56 =  

4. 205 + 87 =  

Use the number line to help you find the missing addend.

5. 10 +   = 15

05101520

6.   + 7 = 12

051015

Find the missing addend in each equation.

7. 35 +   = 50

8.   + 18 = 40

9. 100 = 65 +  

10. 72 =   + 25

Use the words in the bank to complete the word problem, then solve it.

apples
pears
total
basket

11. Sarah has 15 red   and some green   in her  . If she has 28 fruits in  , how many green apples does she have?