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  1. Maths
  2. Year 1
  3. Counting
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Know Your Numbers: What's One Less?

In this worksheet, students identify one number less than the given number (from a range between 0 and 100).

'Know Your Numbers: What's One Less?' worksheet

Key stage:  KS 1

Curriculum topic:   Number: Number and Place Value

Curriculum subtopic:   Identify One More/One Less

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

This worksheet is about finding 1 less than the given number.

 

We do this by taking one away from the given number.

When we take one away, we go to the whole number just before the number we started with.

 

Example

Write the number which is:

 

1 less than 33

 

Answer

33 - 1 = 32

 

When we count we go.... 30, 31, 32, 33.

32 is the number just before 33.

 

So, the answer is 32

Write the number which is:

 

1 less than 23

Write the number which is:

 

1 less than 35

Write the number which is:

 

1 less than 41

Write the number which is:

 

1 less than 40

Write the number which is:

 

1 less than 58

Write the number which is:

 

1 less than 60

Write the number which is:

 

1 less than 67

Write the number which is:

 

1 less than 69

Write the number which is:

 

1 less than 70

Write the number which is:

 

1 less than 100

  • ANSWERS
  • Question 1

Write the number which is:

 

1 less than 23

CORRECT ANSWER
22
EDDIE SAYS
23 - 1 = 22
  • ANSWERS
  • Question 2

Write the number which is:

 

1 less than 35

CORRECT ANSWER
34
EDDIE SAYS
35 - 1 = 34
  • ANSWERS
  • Question 3

Write the number which is:

 

1 less than 41

CORRECT ANSWER
40
EDDIE SAYS
41 - 1 = 40
  • ANSWERS
  • Question 4

Write the number which is:

 

1 less than 40

CORRECT ANSWER
39
EDDIE SAYS
40 - 1 = 39
  • ANSWERS
  • Question 5

Write the number which is:

 

1 less than 58

CORRECT ANSWER
57
EDDIE SAYS
58 - 1 = 57
  • ANSWERS
  • Question 6

Write the number which is:

 

1 less than 60

CORRECT ANSWER
59
EDDIE SAYS
60 - 1 = 59
  • ANSWERS
  • Question 7

Write the number which is:

 

1 less than 67

CORRECT ANSWER
66
EDDIE SAYS
67 - 1 = 66
  • ANSWERS
  • Question 8

Write the number which is:

 

1 less than 69

CORRECT ANSWER
68
EDDIE SAYS
69 - 1 = 68
  • ANSWERS
  • Question 9

Write the number which is:

 

1 less than 70

CORRECT ANSWER
69
EDDIE SAYS
70 - 1 = 69
  • ANSWERS
  • Question 10

Write the number which is:

 

1 less than 100

CORRECT ANSWER
99
EDDIE SAYS
100 - 1 = 99
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