# 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 