Step 9 Objective

Use efficient methods to add, subtract, multiply and divide fractions.


Probing questions

happy learners

See also probing questions for Step 8.
If I divide one fraction by another I will always get a smaller answer – true/false? Why? Explain.
Give pupils some examples of addition, subtraction, multiplication and division of fractions with common mistakes in them. e.g.

two-eighths plus three-sixths minus five-fourteenths

Ask them to talk you through the mistakes and how they would correct them.
The answer is:

three-eighths

What is the question?