Maths Resources & WorksheetsYear 5 Maths Resources & WorksheetsYear 5 Autumn Maths - Multiplication and Division06 Cube Numbers › Cube Numbers Year 5 Multiplication and Division Learning Video Clip

Cube Numbers Year 5 Multiplication and Division Learning Video Clip

Cube Numbers Year 5 Multiplication and Division Learning Video Clip

Step 6: Cube Numbers Year 5 Multiplication and Division Learning Video Clip

The organisers of the Olympic Games have lost some medals and need to order some more. Use your knowledge of cube numbers to help them work out how many they need to order and how many spectators can fit in the stands.

More resources for Autumn Block 3 Step 6.

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Discussion points for teachers

1. Is the organiser correct?
Discuss what a cube number is. Discuss how to calculate cube numbers.
No he is incorrect, there should be 129 medals left which is 4 more than 53 .

2. How many medals have gone missing in total?
Discuss the number of medals that should be left. Discuss the calculation needed to work out how many medals were in the box that went missing.
65 medals (129 – 64 = 65)

3. What combination of boxes could the organisers order from the suppliers?
Discuss the cube numbers. Discuss possible calculations that could be used to reach the target amount.
Various answers, for example: 63 and 43 (280); 53 , 53 and 23 ; (258) 53 , 43 and 43 ; (253)

4. How many people can be help in each stand? (A and C)
Discuss which cube numbers lie between 500 and 900. Discuss numbers that can be eliminated from calculations.
512 (83) people or 729 (93) people.

5. How many people can be held in each stand? (B and D)
Discuss the number of people in stands A and C and how this relates to stands B and D. Discuss cube numbers that are less than stands A and C but more than 300.
343 (73) people

6. How many people are needed to fill the stadium completely?
Discuss the number of people in stands A, B, C and D individually. Discuss methods for adding the number of people in each stand.
Various answers, for example: 1,710 people, 2,144 people

National Curriculum Objectives

Mathematics Year 5: (5C5d) Recognise and use square numbers and cube numbers, and the notation for squared (2) and cubed (3)

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