Finding the whole Year 6 Fractions Learning Video Clip

Finding the whole Year 6 Fractions Learning Video Clip

Step 16: Finding the whole Year 6 Fractions Learning Video Clip

Roman, Rae and Trig have reached their final challenge. They must answer the fraction puzzles and enter the answers into the keypad to open the safe. Then they can get the key and unlock the final door.

More resources for Autumn Block 3 Step 16.

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Discussion points for teachers

1. How tall was the candle to start with?
Discuss how to use the bar model to help. Discuss and model annotating the bar model. Discuss how we can work out the value of each equal part.
The candle was 540mm to start with. The first 3-digit code is 540.

2. How much did the chocolate bar weigh to start with?
Discuss how to make the denominators the same. Discuss the amount given and what is represents.
The bar weighed 840g. The second 3-digit code is 840.

3. Find the whole.
Discuss which representation you could draw to help.
The whole is 810. The third 3-digit code is 810.

4. What could be the total volume of the jug?
Discuss the important information from the question. Discuss how you could represent the problem. Discuss and model how to list possibilities systematically. This question is open-ended for the children to discuss.
The total volume could be 720ml, 800ml, 880ml or 960ml. One of these answers should form the fourth 3-digit code.

National Curriculum Objectives

Mathematics Year 6: (6F6) Associate a fraction with division and calculate decimal fraction equivalents [for example, 0.375] for a simple fraction [for example, 3/8]

Mathematics Year 6: (6F11) Recall and use equivalences between simple fractions, decimals and percentages, including in different contexts

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