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Level 3-4 Numbers - Decimals - Ordering
A tree stands 5.47 metres tall. How tall would a giraffe need to be to see over the tree?

Level 3-4 Numbers - Decimals - Ordering

Let's chat about comparing and ordering numbers - it's super handy when you want to put them in a neat list from smallest to biggest. Understanding a number's value helps you compare and order them, but some people find decimal numbers a little trickier to order. If that's you, then don't worry - this KS3 Maths quiz is here to make ordering decimals a breeze for you. Soon you'll find it as easy as ordering whole numbers!

A Parent's Secret Weapon for Smart Kids

1.
My television cable is 4.3m, my mobile phone charger is 3.2m, my PlayStation lead is 4.13m and my hi-fi lead is 2.78m. Which is the longest?
Television cable
Mobile phone charger
PlayStation lead
Hi-fi lead
4.3 is the largest number on the list
2.
Colin gets £2.40 pocket money, Michelle gets £2.15, Geoff gets £2.75 and Sarah gets £2.55. Who gets the most?
Colin
Michelle
Geoff
Sarah
One penny is a hundredth of a pound so would be written as £0.01
3.
Which of the following numbers is the second largest?
3.4
3.14
3.41
3.1
The order from smallest to largest is 3.1, 3.14, 3.4 and 3.41
4.
A rollercoaster at the amusement park has a sign that says you must be over 1.1 metres to ride it. Which of these heights is unable to ride?
1.12 metres
1.07 metres
1.2 metres
1.31 metres
1.07 is less than 1.10
5.
Which of these is the largest number?
96.7
9.67
97.6
9.76
Look at the numbers before the decimal point first
6.
A tree stands 5.47 metres tall. How tall would a giraffe need to be to see over the tree?
5.04 metres
5.047 metres
5.74 metres
5.417 metres
Any number above 5.47 could be right so the only possible answer given is 5.74
7.
What comes next: 1.2, 1.25, 1.3, 1.35?
1.04
1.39
1.4
1.45
The sequence is increasing by 0.05 each time
8.
Which of these is ordered from largest to smallest?
3.45, 3.5, 3.15, 3.55
3.5, 3.55, 3.45, 3.15
3.15, 3.45, 3.5, 3.55
3.55, 3.5, 3.45, 3.15
Look for the highest number in the tenths column
9.
Which of these is the smallest number?
47.8
48.7
40.7
4.078
First compare the whole numbers!
10.
Which of these is the smallest number?
2.5
2.15
2.17
2.8
It helps to give the numbers the same number of decimal places by adding zeros, e.g. 2.50 and 2.80
You can find more about this topic by visiting BBC Bitesize - Place value and ordering decimals

Author:  Frank Evans

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