Squared
Monday
Tuesday
Wednesday
Explain that
100

2 x 2

4

100

0 x 86

0

100

5 x 7

35

100

9 x 3

27

100

Anything multiplied by zero equals this

Zero

200

4 x 4

16

200

1 x 97

97

200

6 x 2

12

200

10 x 19

190

200

Anything multiplied by one equals this

Itself

300

3 x 3

9

300

2 x 13

26

300

7 x 3

21

300

11 x 7

77

300

A quick way to solve 6 x 8 in your head is to multiply by this number and add 8

What is x 5 and add 8

400

7 x 7

49

400

3 x 9

27

400

8 x 6

48

400

12 x 6

72

400

When multiplying 9 by 1 through 9, this digit goes up and this digit goes down for each product

First digit goes up, 2nd digit goes down

500

12 x 12

144

500

4 x 8

32

500

7 x 8

56

500

11 x 11

121

500

Doubling a number 3 times is a quick way to solve multiplication for this factor

8

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