Math Grade K-1

Adding Three Small Numbers

Practice adding 3 numbers with sums up to 20

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Practice adding 3 numbers with sums up to 20

Math - Grade K-1

Instructions: Read each problem carefully. Add all three numbers to find the total. Show your work in the space provided.
  1. 1
    Three groups of balls showing 2, 3, and 1.

    Add: 2 + 3 + 1 = ____

  2. 2
    A bunch of balloons with 1 red, 4 blue, and 2 yellow balloons.

    Mia has 1 red balloon, 4 blue balloons, and 2 yellow balloons. How many balloons does Mia have in all?

  3. 3
    Three groups of blocks showing 5, 2, and 2.

    Add: 5 + 2 + 2 = ____

  4. 4
    Birds in three places: 3 in a tree, 2 on a fence, and 4 on the grass.

    There are 3 birds in a tree, 2 birds on a fence, and 4 birds on the grass. How many birds are there altogether?

  5. 5
    An empty tray, a group of 6 marbles, and a group of 3 marbles.

    Add: 0 + 6 + 3 = ____

  6. 6
    An open box with 2 crayons, 2 pencils, and 3 markers.

    Sam puts 2 crayons, 2 pencils, and 3 markers in a box. How many writing tools are in the box?

  7. 7
    Three groups of stars showing 4, 1, and 4.

    Add: 4 + 1 + 4 = ____

  8. 8
    A plate with 3 apple slices, 3 orange slices, and 1 banana slice.

    A plate has 3 apple slices, 3 orange slices, and 1 banana slice. How many fruit slices are on the plate?

  9. 9
    Three groups of buttons showing 6, 1, and 2.

    Add: 6 + 1 + 2 = ____

  10. 10
    Ladybugs in three places: 4 on a leaf, 2 on a rock, and 3 on a flower.

    Lena sees 4 ladybugs on a leaf, 2 ladybugs on a rock, and 3 ladybugs on a flower. How many ladybugs does she see?

  11. 11
    Three groups of balls showing 3, 5, and 2.

    Add: 3 + 5 + 2 = ____

  12. 12
    Two piles of 5 cubes and 1 cube by itself.

    There are 5 cubes in one pile, 5 cubes in another pile, and 1 cube by itself. How many cubes are there in all?

  13. 13
    Three groups of toy cars showing 7, 2, and 1.

    Add: 7 + 2 + 1 = ____

  14. 14
    Three piles of books showing 2, 3, and 2.

    Nico reads 2 books on Monday, 3 books on Tuesday, and 2 books on Wednesday. How many books does Nico read in all?

  15. 15
    Three groups of cookies showing 4, 4, and 2.

    Add: 4 + 4 + 2 = ____

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