Enter Title

HCF

100

8 and 16

8

100

15 and 25

5

200

36 and 48

12

200

27 and 81

9

300

44 and 121

11

Natural Numbers

100

4 x10³

4000

100

5 x 10³ + 2

5002

200

7 x 10³ + 9 x 10² 

7900

200

1 x 10³ + 3 x 10² + 1 x 10

1310

300

2 x (2 x 10²) + 3 x 10³

3400

Squares, cubes and square roots

100

3²

9

100

4²

16

200

3³

27

200

Square root of 49

7

300

Cubed root of 8

2

Maths

100

7 x 8

56

100

4 x 40

160

200

15 x 15

225

200

(9 x 9 - 21) x 2

120

300

3 x 10² - 6² + 2²

268