Multiply 4-Digits by 2-Digits Year 6 Four Operations Learning Video Clip

Step 2: Multiply 4-Digits by 2-Digits Year 6 Four Operations Learning Video Clip

Renata is an astronaut who is travelling to the alien planet Zelonia 7Z3, to research the life forms inhabiting that world. Help her and the alien Oziel to overcome the problems they face by multiplying 4-digit by 2-digits numbers.

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Discussion points for teachers

1. What would be the best way to count the aliens?
Discuss how to arrange the aliens to count them in a uniform method, for example, arrays.
Various answers, for example: Using arrays.

2. How many aliens are there in total?
Discuss how to calculate and the process long multiplication involves, what happens when multiplying by the ten. Discuss exchanging.
57,623

3. Work out the missing values so that Renata can transmit the information back to Earth.
Discuss which values can be identified first. Discuss how times table facts assist in identifying the missing values.
7,892 x 59 = 465,628

4. What does the fuel amount become after being zapped by the laser?
Discuss how to calculate and the process long multiplication involves, what happens when multiplying by the ten. Discuss exchanging.
281,349

National Curriculum Objectives

Mathematics Year 6: (6C7a) Multiply multi-digit numbers up to 4 digits by a two-digit whole number using the formal written method of long multiplication

Mathematics Year 6: (6C8) Solve problems involving addition, subtraction, multiplication and division

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