Year 1 Calculation - Multiplication Using Arrays

2 groups of 4 is the same as 4 groups of 2.

Year 1 Calculation - Multiplication Using Arrays

This quiz addresses the requirements of the National Curriculum KS1 Maths and Numeracy for children aged 5 and 6 in year 1. Specifically this quiz is aimed at the section dealing with multiplication using arrays.

Multiplication using arrays is a way of organising the numbers in a visual way in order to understand how repeated addition is the same as multiplication. Using an array to visualise a problem also highlights how the order of the multiplication can be reversed to give the same answer. For example, 2 x 4 gives the same answer as 4 x 2.

Question 1

3 + 3 + 3 + 3 + 3 + 3

6 + 6 + 6 + 6 + 6 + 6

3 x 3

6 x 6

6 x 3 is the same as 6 groups of 3, or 3 + 3 + 3 + 3 + 3 + 3

Question 2

18

9

99

81

3 x 3 = 9. 9 plus 9 = 18

Question 3

2 + 2

4 x 2

4 + 4 + 4

2 x 2

2 groups of 4 is the same as 4 groups of 2

Question 4

3 + 3 + 3

6 + 6 + 6

3 x 3

6 x 6

3 x 6 is the same as 3 groups of 6, or 6 + 6 + 6

Question 5

72

12

27

14

2 groups of 7, or 7 groups of 2, makes 14

Question 6

6

8

4

3

2 groups of 3, or 3 + 3 = 6

Question 7

2 + 2 + 2 + 2 + 2

4 x 5

5 + 5 + 5 + 5 + 5

5 x 5

5 x 2 is 5 groups of 2, or 2 + 2 + 2 + 2 + 2

Question 8

2 + 5

4 x 5

5 + 5

5 x 5

2 x 5 is 2 groups of 5, or 5 + 5

Question 9

18

12

8

14

3 groups of 4, or 4 + 4 + 4 = 12

Question 10

30

13

26

15

5 groups of 3, or 3 + 3 + 3 + 3 + 3 = 15

Author: Angela Smith

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