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Math Grade K-1

Math: Subtraction Within 20

Practice subtracting numbers up to 20

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Practice solving subtraction problems with numbers within 20.

Read each problem carefully. Solve each subtraction problem and show your work if needed.

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Practice subtracting numbers up to 20

Math - Grade K-1

Instructions: Read each problem carefully. Solve each subtraction problem and show your work if needed.
  1. 1
    Nine red tokens with three faded to show taken away

    Solve: 9 - 3 = __

  2. 2
    Fourteen blue cubes with five faded to show taken away

    Solve: 14 - 5 = __

  3. 3
    Eight yellow circles with two faded to show taken away

    Solve: 8 - 2 = __

  4. 4
    Seventeen green buttons with seven faded to show taken away

    Solve: 17 - 7 = __

  5. 5
    Twelve apples with four bitten apples shown as eaten

    There are 12 apples. 4 apples are eaten. How many apples are left?

  6. 6
    Fifteen purple beads with six faded to show taken away

    Solve: 15 - 6 = __

  7. 7
    Ten crayons with three faded to show lost crayons

    A child has 10 crayons. 3 crayons are lost. How many crayons does the child have now?

  8. 8
    Thirteen orange stars with eight faded to show taken away

    Solve: 13 - 8 = __

  9. 9
    Twenty marbles with nine faded to show taken away

    Solve: 20 - 9 = __

  10. 10
    A tree with ten birds sitting and six birds flying away

    There are 16 birds in a tree. 6 birds fly away. How many birds are still in the tree?

  11. 11
    Eleven red hearts with one faded to show taken away

    Solve: 11 - 1 = __

  12. 12
    Eighteen green leaves with four faded to show taken away

    Solve: 18 - 4 = __

LivePhysics™.com Math - Grade K-1

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