Step-by-step Maths Level 1: Between two numbers
Part of the Step-by-step Maths Level 1 before, after and between chapter. Chapter overview · whole chapter on one page
Between two numbers
A number is between two others when it comes after the smaller one and before the bigger one.
Look at 4 and 6. The number between them is 5.
Key ideas
- Between means after the smaller number and before the bigger one.
- Do not include the two end numbers.
- Two numbers can be between two others.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.4
- Count on until just before the bigger one. The numbers in between come after the smaller one.5
- Write the answer. 5
Check. Check: 5 is bigger than 4 and smaller than 6.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.10
- Count on until just before the bigger one. The numbers in between come after the smaller one.11
- Write the answer. 11
Check. Check: 11 is bigger than 10 and smaller than 12.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.7
- Count on until just before the bigger one. The numbers in between come after the smaller one.8, 9
- Write the answer. 8 and 9
Check. Check: 8 and 9 is bigger than 7 and smaller than 10.
Watch out. Do not include the two numbers at the ends.
Watch out
Watch out. The numbers at the ends are not between. For 4 and 6, the answer is 5, not 4 or 6.
Exam tip
Grown-up tip. Count from the smaller number to the bigger one. Say the numbers out loud and stop before the last one.
Exercise 3B Between two numbers
Non-calculatorMethod. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.8
- Count on until just before the bigger one. The numbers in between come after the smaller one.9
- Write the answer. 9
Check. Check: 9 is bigger than 8 and smaller than 10.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.9
- Count on until just before the bigger one. The numbers in between come after the smaller one.10, 11
- Write the answer. 10 and 11
Check. Check: 10 and 11 is bigger than 9 and smaller than 12.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.15
- Count on until just before the bigger one. The numbers in between come after the smaller one.16
- Write the answer. 16
Check. Check: 16 is bigger than 15 and smaller than 17.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.16
- Count on until just before the bigger one. The numbers in between come after the smaller one.17, 18
- Write the answer. 17 and 18
Check. Check: 17 and 18 is bigger than 16 and smaller than 19.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.7
- Count on until just before the bigger one. The numbers in between come after the smaller one.8
- Write the answer. 8
Check. Check: 8 is bigger than 7 and smaller than 9.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.3
- Count on until just before the bigger one. The numbers in between come after the smaller one.4, 5
- Write the answer. 4 and 5
Check. Check: 4 and 5 is bigger than 3 and smaller than 6.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.9
- Count on until just before the bigger one. The numbers in between come after the smaller one.10
- Write the answer. 10
Check. Check: 10 is bigger than 9 and smaller than 11.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.0
- Count on until just before the bigger one. The numbers in between come after the smaller one.1, 2
- Write the answer. 1 and 2
Check. Check: 1 and 2 is bigger than 0 and smaller than 3.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.16
- Count on until just before the bigger one. The numbers in between come after the smaller one.17
- Write the answer. 17
Check. Check: 17 is bigger than 16 and smaller than 18.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.0
- Count on until just before the bigger one. The numbers in between come after the smaller one.1, 2
- Write the answer. 1 and 2
Check. Check: 1 and 2 is bigger than 0 and smaller than 3.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.18
- Count on until just before the bigger one. The numbers in between come after the smaller one.19
- Write the answer. 19
Check. Check: 19 is bigger than 18 and smaller than 20.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.13
- Count on until just before the bigger one. The numbers in between come after the smaller one.14, 15
- Write the answer. 14 and 15
Check. Check: 14 and 15 is bigger than 13 and smaller than 16.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.15
- Count on until just before the bigger one. The numbers in between come after the smaller one.16
- Write the answer. 16
Check. Check: 16 is bigger than 15 and smaller than 17.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.12
- Count on until just before the bigger one. The numbers in between come after the smaller one.13, 14
- Write the answer. 13 and 14
Check. Check: 13 and 14 is bigger than 12 and smaller than 15.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.13
- Count on until just before the bigger one. The numbers in between come after the smaller one.14
- Write the answer. 14
Check. Check: 14 is bigger than 13 and smaller than 15.
Watch out. Do not include the two numbers at the ends.
Method. Find the numbers in between by counting on from the smaller number.
- Start at the smaller number. Count on one at a time.12
- Count on until just before the bigger one. The numbers in between come after the smaller one.13, 14
- Write the answer. 13 and 14
Check. Check: 13 and 14 is bigger than 12 and smaller than 15.
Watch out. Do not include the two numbers at the ends.