﻿ Free Multiply by 10 Year 4 Multiplication and Division Learning Video Clip | Classroom Secrets

# Free Multiply by 10 Year 4 Multiplication and Division Learning Video Clip ## Step 1: Free Multiply by 10 Year 4 Multiplication and Division Learning Video Clip

Hamish and Syeda are travelling to Japan with the Great British Winter Team to compete in the Winter Games being hosted in Japan. They will be multiplying the height of different buildings, calculating the water used and the possible stopping distance of the aeroplane once it has touched down.

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Discussion points for teachers

1. How many points would each colour score? Which colour should Hamish pick?
Discuss how many points each item is worth. Discuss how to calculate the score for each of the colours.
RED – 15 = 150 points; BLUE – 13 = 130 points; GREEN – 9 = 90 points; PURPLE – 11 = 110 points. Hamish should pick red.

2. Help Hamish and Syeda to calculate the cruising altitudes with the clues provided by the captain.
Discuss efficient strategies for calculating and recording multiplication of 10.
8,290m or 8.290km; 10,850m or 10.850km; 5,410m or 5.410km.

3. Help Syeda calculate the stopping distance of the plane.
Discuss how many metres are travelled per second. Discuss the maximum and minimum time that the plane can be stopped in. Discuss using those numbers to calculate all the possibilities in between. This question is open-ended for the children to explore.
Minimum - 35 seconds x 10 metres = 350 metres. Maximum 42 seconds x 10 metres = 420 metres. Various distances in between 350m and 420m.

Optional discussion points:

Discuss with children if they notice a pattern with all of their answers that they could then use to help with calculating other multiplications by 10.

National Curriculum Objectives

Mathematics Year 4: (4C6a) Recall multiplication and division facts for multiplication tables up to 12 × 12

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