# 3 Addends Worksheet

Related Topics & Worksheets:
Math Worksheets
Common Core 2nd Grade

Free Online Worksheet to practice adding three 1-digit addends.
Sprint: Adding to the Teens, Common Core 2nd Grade, 2.OA.2

Objective:

• I can use mental strategies (e.g., count on, make a ten) to add numbers within 20 with ease.
• I can recall from memory all sums of two one-digit numbers.
• I know how to add three addends quickly using mental math.

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
5 + 5 + 5 =
9 + 1 + 3 =
2 + 8 + 4 =
3 + 7 + 2 =
4 + 6 + 9 =
9 + 0 + 6 =
3 + 0 + 8 =
2 + 7 + 7 =
6 + 6 + 6 =
7 + 8 + 4 =
3 + 5 + 9 =
9 + 1 + 1 =
5 + 5 + 6 =
8 + 2 + 8 =
3 + 4 + 7 =
5 + 0 + 8 =
6 + 2 + 6 =
6 + 3 + 9 =
2 + 4 + 7 =
3 + 8 + 6 =
5 + 7 + 6 =
3 + 6 + 9 =
1 + 9 + 5 =
3 + 5 + 5 =
8 + 4 + 6 =
9 + 7 + 1 =
2 + 6 + 8 =
0 + 8 + 7 =
8 + 4 + 3 =
9 + 2 + 2 =
4 + 4 + 4 =
6 + 8 + 5 =
4 + 5 + 7 =
7 + 3 + 1 =
6 + 4 + 3 =
1 + 9 + 9 =
5 + 8 + 5 =
3 + 3 + 5 =
7 + 0 + 6 =
4 + 5 + 9 =
4 + 8 + 4 =
2 + 6 + 7 =
3 + 5 + 6 =
2 + 6 + 9 =

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