This activity is about sums and products.
A sum is an addition. The sum of 12 and 3 is 15.
A product is a multiplication. The product of 12 and 3 is 36.
Example
Find two numbers whose product is 30 and sum is 11.
Answer
We look at the factor pairs of 30 first.
1 and 30
2 and 15
3 and 10
5 and 6
Then we select the pair whose sum is 11.
Answer is 5 and 6.
It can look a bit daunting, but the key to it is to start with those factor pairs.
Let's get started and remember that you can look back at this introduction at any point by clicking on the red help button on the screen.
View the activity introduction for more information on the topic
Read the question aloud
Open the accessibility toolbar to change fonts and contrast, choose a different language, use a ruler and more
Question
Do you want to skip questions and finish?
Hold up, it looks like there may be an issue with your spelling. Why not try it again?
You need to check your answer before you proceed. Are you sure you want to skip?
Teacher explanation