Numbers EXERCISES
Multiples
1. Which colour is used for the numbers that are all multiples of 5?
2. Which of these pairs of numbers is a factor pair of 14?
3. Rayan picks 4 children to play with him in his 5-a-side football team. He only selects players whose number is a multiple of 3 or 4. Which players will he pick?
4. Which colour is used for the numbers that are all multiples of 7?
5. Which of these are the 4 common factors of 18 and 24?
6. Andy is making a snack for his friends. He wants to make a number of sandwiches that can be equally divided between 4 or 5 people. What is the smallest number of sandwiches he can make?
7. Which number has 1, 2, 3, 4, 6 and 8 as its factors?
8. Cemal ticks all the prime numbers between 1 and 20. He has missed two of them. Which two did he miss?
9. Lucy and her big brother, Monty are marching in step together. Lucy jumps after every 8 paces and Monty jumps after every 12 paces. After how many paces will they jump at the same time?
10. Which pair of numbers are common prime factors of 40 and 60?
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