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Math Grade K-1 Answer Key

Writing Numbers 11 to 20

Practice reading, counting, and writing teen numbers

Answer Key
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Writing Numbers 11 to 20

Practice reading, counting, and writing teen numbers

Math - Grade K-1

Instructions: Read each problem carefully. Write your answer neatly in the space provided.
  1. 1

    Write the number that comes after 10.

    Count up from 10.

    The number that comes after 10 is 11.
  2. 2

    Write the numeral for the number word twelve.

    The numeral for twelve is 12.
  3. 3

    Count the stars. Write the number.

    Touch and count each star one time.

    There are 13 stars, so the number is 13.
  4. 4

    Write the number word for 14.

    The number word for 14 is fourteen.
  5. 5

    Fill in the missing number: 13, 14, __, 16.

    Count forward by ones.

    The missing number is 15 because it comes after 14 and before 16.
  6. 6

    Count the apples. Write the number.

    There are 16 apples, so the number is 16.
  7. 7

    Trace and then write the number 17.

    Start at the top when writing each digit.

    The number to write is 17.
  8. 8

    Write the numeral for the number word eighteen.

    The numeral for eighteen is 18.
  9. 9

    Count the balloons. Write the number word.

    Count slowly and check your count.

    There are 19 balloons, so the number word is nineteen.
  10. 10

    Write the number word for 20.

    The number word for 20 is twenty.
  11. 11

    Fill in the missing numbers: 11, 12, __, 14, __.

    Say the numbers in order from 11 to 15.

    The missing numbers are 13 and 15 because the count goes up by one each time.
  12. 12

    Circle the number 16: 12, 16, 19, 14.

    The number to circle is 16.
  13. 13

    Count the blocks. Write the number.

    Count each block only once.

    There are 11 blocks, so the number is 11.
  14. 14

    Write the number that comes before 20.

    Count backward from 20.

    The number that comes before 20 is 19.
  15. 15

    Count the dots in the ten-frame and extra row. Write the number.

    There are 15 dots in all, so the number is 15.
LivePhysics™.com Math - Grade K-1 - Answer Key