MathsYear 6Autumn Block 3 (Fractions)03 Compare and Order by Denominators › Compare and Order Denominators Year 6 Fractions Learning Video Clip

Compare and Order Denominators Year 6 Fractions Learning Video Clip

Compare and Order Denominators Year 6 Fractions Learning Video Clip

Step 3: Compare and Order Denominators Year 6 Fractions Learning Video Clip

Roman, Rae and Trig are still in Dr S. Cape’s laboratory escape room. They need to order and compare denominators in order to solve puzzles involving buttons on a control panel and using a mixture of conical flasks.

More resources for Autumn Block 3 Step 3.

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Discussion points for teachers

1. Explain the mistake Roman might have made and provide the correct answer.
Discuss how to find the lowest common denominator to enable the fractions to be compared and ordered. Discuss the answer that Roman has given and why it might be incorrect
Roman might have selected this as the smallest fraction as it has the smallest denominator and the smallest numerator out of all of the possibilities. However, the correct answer is 4⁄12

2. Help Rae, Roman and Trig press the fraction buttons in ascending order.
Discuss a suitable method for finding the lowest common denominator and then ordering the fractions.


3. What could the missing fraction be? Find three possibilities.
Discuss the parameters that have been set and a method for finding all possibilities. This question is open-ended for the children to explore.
Various answers, for example:

4. Order the conical flasks according to the symbols behind.
Discuss the symbols and that in this case the equals sign doesn’t mean to balance out. This question is open-ended for children to explore.
Various answers, for example:

National Curriculum Objectives

Mathematics Year 6: (6F2) Use common factors to simplify fractions; use common multiples to express fractions in the same denomination

Mathematics Year 6: (6F3) Compare and order fractions, including fractions > 1

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