Compare and Order Numerators Year 6 Fractions Learning Video Clip

Step 4: Compare and Order Numerators Year 6 Fractions Learning Video Clip

Roman, Rae and Trig are close to finishing this part of the escape room. They are comparing and ordering numerators in order to create a chemical using a Bunsen burner and using a microscope to compare bacteria in a petri dish.

More resources for Autumn Block 3 Step 4.

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Discussion points for teachers

1. Who is correct? Explain why.
Discuss which method is more suitable and why, depending on the fractions included in the question.
Trig is correct. To order fractions the numerator and denominator must be looked at together. A lowest common multiple can be found to order the fractions.

2. Use the method to work out what fraction is needed of each powder to complete the potion.
Discuss a method of ordering fractions based on the lowest common multiple.

3. Complete the clipboard using the >, < or = symbol.
Discuss comparing two sets of fractions and converting mixed numbers into improper fractions prior to finding the lowest common multiple.
> , < , >

4. Order the fractions from smallest to greatest.
Discuss finding a common multiple between all of the fractions and then ordering according to the rule the smaller the denominator the bigger the fraction when the numerator is the same.

5. What could the fraction be? Discuss the values of e-coli and staphy to determine the parameters.
Discuss what the various answers could be. This question is open-ended for the 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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