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# Practice - Counting and Number Recognition - 03

Hey, smarty pants! Ready to prove your maths skills? Grab your number-cracking hat, and come on board for a number-tastic ride. From counting numbers to recognising them in a blink, the following quiz will assess how well you can play with digits. Remember, there is a logical explanation behind each answer to guide you. Best of luck!
1.
What number is represented by the Roman numeral 'XL'?
50
40
60
90
In Roman numerals, XL represents the number 40.
2.
What is the number immediately after 99?
98
100
90
99
When we count, the number straight after 99 is 100.
3.
What is the name of the number 10100 in decimal form?
1
0.1
0.01
10
10100 equals 0.1 in decimal form.
4.
A packet of biscuits costs £1.25. How many packets could you buy with £5?
3 packets
4 packets
5 packets
2 packets
£5 divided by £1.25 equals 4. So, you could buy 4 packets.
5.
Which is the largest two-digit number?
90
99
10
100
The largest two-digit number is 99.
6.
What is double of 12?
22
24
36
12
The double of 12 is 24.
7.
If you subtract 5 from 10, what do you get?
15
5
10
50
Subtracting 5 from 10 gives the result 5.
8.
What fraction of a pound is a 50p coin?
14
12
34
1
A 50p coin represents 12 (or half) of a pound.
9.
Which numeral is the smallest even number?
0
2
1
-1
Zero is the smallest even number.
10.
John has £5. He spends £2 on sweets. How much money does he have left?
£2
£7
£3
£5
£5 - £2 = £3. John has £3 left.
Author:  Graeme Haw