Grade 1 · Math · Addition
Missing Addends Within 20 worksheet
Find the missing part in addition equations through 20.
Missing Addends Within 20
Grade 1 · Stretch challenge · 12 questions · Version PG-3WH-1OAJ
1.__ + 5 = 20
2.__ + 2 = 20
3.__ + 5 = 6
4.__ + 11 = 20
5.__ + 16 = 19
6.__ + 20 = 20
7.__ + 12 = 14
8.__ + 8 = 11
How to use this skill
Find the missing part in addition equations through 20.
Worked example
__ + 6 = 14. Think 14 - 6, so the missing addend is 8.
Common mistake
Adding the known addend and total together.
Helpful hint
Subtract the known part from the total.
More free printable versions
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