Compare and order decimal numbers with tenths | Maths

Starter quiz

Which description of the number does not match the picture?

0.9

nine tenths

nine tens ✓
Match the symbols to their meaning.

<

⇔

less than ✓

=

⇔

equal to ✓

>

⇔

greater than ✓
Look at the number line. Tick the missing numbers.

5.4

4.5 ✓

5 ✓

0.5
What number is the arrow pointing to? Give your answer as a decimal number.

'0.9' ✓
Write the following number as a decimal number.

'4.3' ✓
The image shows four mixed numbers labelled A to D. Match the decimal numbers to the mixed numbers.

1.7

⇔

A ✓

7.1

⇔

B ✓

2.3

⇔

C ✓

3.2

⇔

D ✓

Write down the symbol that shows greater than.

'>' ✓
Which symbol shows less than?

< ✓

=

>
Select the three numbers that would make the statement correct.

5 ✓

3.5

4.3 ✓

2.4

40.1 ✓
Order the numbers in ascending order.

1

⇔

3.6

2

⇔

5.4

3

⇔

5.7

4

⇔

7.5

5

⇔

7.7
Order these numbers is descending order.

1

⇔

354.2

2

⇔

345.2

3

⇔

325.4

4

⇔

324.5
Select the three numbers that could make this statement correct. 3.2 < __________ < 4.2

3.2

3.6 ✓

4.3

4 ✓

4.1 ✓

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To compare two numbers, you compare digits with the same place value, starting with the largest place-value digit.
If the whole numbers are the same, look at the value of the tenths digit to compare and order.

Pupils think that because a representation has more images/items then it is a larger number.

Encourage pupils to consider the value of each image/item and say this verbally as ___ wholes and ___ tenths.

Compare - When you compare, you look for similarities and differences in an object or value.
Order - You can order numbers by putting them in a place based on a set rule.
Place value - The value of a digit in a number based on where it is placed is known as place value.
Ascending - Ascending order is when items are arranged from smallest to largest.
Descending - Descending order is when items are arranged from largest to smallest.