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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

Decimals are like the cool sidekicks for numbers less than 1. When ordering decimals, start with the whole numbers, then check out the tenths, hundredths, and thousandths. Here's a twist: unlike regular numbers, after the decimal point, values go down! So, 0.099 is less than 0.1 - 1 tenth is bigger than 0 tenths, 9 hundredths, and 9 thousandths.

Ready for the challenge? Play this quiz to practice ordering decimals. It might seem easy, but stay sharp! Read each question carefully and check out the answers before picking the right one. Let's avoid those sneaky mistakes!

1.
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
2.
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
3.
Which of these is the largest number?
96.7
9.67
97.6
9.76
Look at the numbers before the decimal point first
4.
Which of these is the smallest number?
47.8
48.7
40.7
4.078
First compare the whole numbers!
5.
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
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.
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
8.
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
9.
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
10.
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
You can find more about this topic by visiting BBC Bitesize - Place value and ordering decimals

Author:  Frank Evans

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