Lesson Worksheet: One Less: Numbers up to 10 Mathematics • Kindergarten

In this worksheet, we will practice finding one less than numbers up to 10 by taking one object away from a group and counting the number that remains.

Q1:

There are 7 squares.

Pick the line that has one less square.

  • A
  • B
  • C

Q2:

Daniel has 6 blocks.

He takes one away. There are 5 blocks left.

5 is one less than 6.

Pick the number that is one less than 4.

  • A
  • B
  • C

Pick the number that is one less than 8.

  • A
  • B
  • C

Q3:

What number is one less than 5?

Hint: Take away one block.

Q4:

Count the blocks.

Write the number that is one less than the number of blocks.

Q5:

Which set of blocks shows 1 less than 6?

  • A
  • B
  • C
  • D

Q6:

Write the number that is one less than the number of apples given.

Q7:

Complete: is one less than 4.

Q8:

Which of the following groups has a number of objects that is one less than the given group?

  • A
  • B
  • C

Q9:

Which of the following models shows 1 less than 6?

  • A
  • B
  • C

Q10:

Pick the group with one less than four apples.

  • A
  • B
  • C

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