One-to-one counting · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.

Counting one by one

Mathematics · Counting & Cardinality · ages 4-6
Name ______________________   Date ____________
  1. Apples sit in a bowl. You point to each apple once and count 1, 2, 3, 4. How many apples are there? Write the number.

    Answer: ______________

  2. Mia touches shells one by one and says 1, 2, 3. How many shells are there?

    • 3
    • 4
    • 2
    • 5
  3. Count the stars. How many are there?

    • 2
    • 3
    • 4
  4. When you count, it is OK to give one thing two numbers.

    Circle one:   True   False

  5. Stars are drawn in the sky. You count each star once and stop at 7. How many stars are there? Write the number.

    Answer: ______________

  6. Count the hearts. How many are there?

    • 4
    • 5
    • 6
  7. You count buttons by touching each one once. Why do you touch each button only once?

    • To start at 10
    • So none are missed or doubled
    • To go faster
    • To skip numbers
  8. Ben counts 6 ducks but skips one duck. Ben says there are 5 ducks. Is Ben right?

    Circle one:   True   False

  9. Sam has 8 toys but skips one while counting. What number does Sam say last?

    • 7
    • 8
    • 9
  10. Children stand in a line. The teacher touches each child once while counting. The last number she says is 9. How many children are in the line? Write the number.

    Answer: ______________

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Answer key

For grown-ups. Fold this page away before handing over the rest.

Counting one by one W1-mt_WcfaSfVT33-s1

  1. 4 · The last number you say, 4, is how many there are.
  2. 3 · The last number you say, 3, is how many there are.
  3. 3 · Touch each star once: 1, 2, 3.
  4. False · No. One thing, one number. Never two.
  5. 7 · The last number you say, 7, is how many there are.
  6. 6 · Six hearts, one number each.
  7. So none are missed or doubled · One touch per object keeps the count exact: no skips, no doubles.
  8. False · Ben is wrong: he skipped a duck. There are 6 ducks.
  9. 7 · One toy never got a number, so Sam only reaches 7.
  10. 9 · The last number you say, 9, is how many there are.
Worksheet · LightMySky