Add Three Numbers Worksheets Grade 1

Mathematics

Add Three Numbers

Each printable worksheet below is a full page of practice problems and comes with an answer key that explains how to solve every problem, step by step. Open a worksheet and use the Print / Save as PDF button to download it.

Worksheet 1

10 problems
  1. 7 + 8 + 4 = ?
  2. Hana has 4 red balloons, 6 blue balloons, and 2 yellow balloons. How many balloons does Hana have in total?
  3. 6 + 4 + 8 = ?

…and 7 more problems

Open & Print Worksheet 1

Worksheet 2

9 problems
  1. 6 + 5 + 4 = ?
  2. Liam collected 8 shells at the beach in the morning. In the afternoon, he found 5 more shells. Then his sister gave him 2 shells from her collection. How many shells does Liam have in total?
  3. Emma has 6 stickers. Her friend Mia gives her 4 more stickers. Then Emma's teacher gives her 3 more stickers for good work. How many stickers does Emma have now?

…and 6 more problems

Open & Print Worksheet 2

Worksheet 3

8 problems
  1. 3 + 5 + 7 = ?
  2. A triangle has sides of length 5 cm, 6 cm, and 7 cm. What is the perimeter of the triangle?
  3. There are 5 red circles in the first row, 3 blue circles in the second row, and 2 green circles in the third row. How many circles are there in all?

…and 5 more problems

Open & Print Worksheet 3

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