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Squares

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What is the square of 1?

12 1 x 1

1

What is the square of 2?

22 2 x 2

4

What is the square of 3?

32 3 x 3

9

What is the square of 4?

42 4 x 4

16

What is the square of 5?

52 5 x 5

25

What is the square of 6?

62 6 x 6

36

What is the square of 7?

72 7 x 7

49

What is the square of 8?

82 8 x 8

64

What is the square of 9?

92 9 x 9

81

What is the square of 10?

102 10 x 10

100

What is the square of 11?

112 11 x 11

121

What is the square of 12?

122 12 x 12

144

What is the square of 13?

132 13 x 13

169

What is the square of 14?

142 14 x 14

196

What is the square of 15?

152 15 x 15

225

What is the square of 16?

162 16 x 16

256

What is the square of 17?

172 17 x 17

289

What is the square of 18?

182 18 x 18

324

What is the square of 19?

192 19 x 19

361

What is the square of 20?

202 20 x 20

400

What is the square of 21?

212 21 x 21

441

What is the square of 22?

222 22 x 22

484

What is the square of 23?

232 23 x 23

529

What is the square of 24?

242 24 x 24

576

What is the square of 25?

252 25 x 25

625

What is the square of 26?

262 26 x 26

676

What is the square of 27?

272 27 x 27

729

What is the square of 28?

282 28 x 28

784

What is the square of 29?

292 29 x 29

841

What is the square of 30?

302 30 x 30

900

Great

Lets change a little.

What is the square of 40?

402 40 x 40

1600

What is the square of 50?

502 50 x 50

2500

What is the square of 60?

602 60 x 60

3600

What is the square of 70?

702 70 x 70

4900

What is the square of 80?

802 80 x 80

6400

What is the square of 90?

902 90 x 90

8100

What is the square of 100?

1002 100 x 100

10,000

Very2 good!

Very very good!