Worksheet: Finding One Less than Numbers Up to 10

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:

Fares 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.

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