Level 1
Find the following values without a calculator.
For the number 10,
  1. List the factors. (Write the answers in numbers. Eg 1, 2, 3)
  2. List the highest factor.
  3. Find the sum of the factors
2 m
Level 1
Find the following values without a calculator.
  1. HCF of 4 and 8
  2. HCF of 6 and 24
  3. HCF of 4 and 6 and 8
  4. HCF of 24 and 36
2 m
HCF
Level 3 PSLE
There are two numbers. One is 5 times the other. They have exactly six common factors. Three of the common factors are 1, 2 and 9.
  1. What are the other 3 common factors?
  2. What are the two numbers?
2 m
Level 2 PSLE
Rae bought 150 oranges and 100 apples for her friends. She divided the oranges among them and had 17 oranges left. She also divided the apples equally among them and had 5 apples left. How many friends did she give to?
2 m