Explain where 6, 7, 8 and 9 lie on a number line | Maths

Starter quiz

Which bar model represents the same number as the ladybirds in the tens frame?
Which sentence describes the jumps on the number line?

8 is a part and 3 is a part. The whole is 5

5 is a part and 3 is a part. The whole is 8 ✓

5 is a part and 8 is a part. The whole is 8
What is the missing whole? The missing whole is ______.

6

7 ✓

8
What is the missing part? The missing part is ______.

3

4

5 ✓
What is the missing part? The missing part is ______.

3

4 ✓

5

6
Jun has made 7 using 5 and another part. What are the missing numbers in this picture?

5 and 2 ✓

5 and 3

6 and 2

Exit quiz

Which numbers are in the wrong place?

3 and 4

5 and 6

7 and 8 ✓
Where would 7 go on this number track? Pick the letter that shows its place.

a

b

c ✓

d
Which sentences are correct?

7 is greater than 5 ✓

7 is less than 5

7 is less than 10 ✓
Which numbers are in the wrong place on the number line?

4 and 5

4 and 7 ✓

7 and 8
Where would 8 go on this number line? Pick the letter that shows its place.

a

b

c ✓

d
Which sentences describe the number shown by a?

It is one more than 5 ✓

It is less than 10 ✓

It is less than 5

It is greater than 10

Worksheet

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Video

Lesson Details

Key learning points

One more and one less can be used to order numbers 0 to 10
A number line shows the position of numbers 0 to 10
On a 0 to 10 number line, 5 is in the middle. It is the midpoint.
Knowledge of relative size of 6, 7, 8, 9 can be used to position these numbers on the number line.

Common misconception

Pupils do not understand that intervals or marks on a number line need to be equally spaced and that in these cases each mark represents one number.

Make connections between number tracks and number lines showing that the intervals are counted on a number line. Expose pupils to vertical and horizontal number lines showing all numbers, including beyond 10, to familiarise them with their structure.

Keywords

Number line - A line with numbers placed in their correct position.
Order - You can order numbers from the smallest to the largest or from the largest to the smallest. The order stays the same when you count.
One more - One more than is when there is a greater amount by one or another item in the set.
One less - One less than is when there is a smaller value by one.