HCF
Prime Factorisation
Squares and Roots
Number Operations
LCM
100

12 and 8

4

100

45

3 x 3 x 5

100

92 = ?

81

100

-5 + 11

-6

100

15 and 30

30

200

15 and 30

5

200

60

2 x 2 x 3 x 5

200

Square root of 64?

8

200

-4 + (-5)

-9

200

4 and 9

36

300

27 and 15

3

300

99

3 x 3 x 11

300

Square root of 36?

6

300

4 - 6

-2

300

12 and 9

36

400

72 and 60

12

400
200?

2 x 2 x 2 x 5 x 5

400

24 = 

16

400

4 - (-4)

8

400

2, 8, and 12.

24

500

75 and 150

75

500

360

2 x 2 x 2 x 3 x 3 x 5

500

33 = ?

27

500

-2 + 5

3

500

20 and 25

100

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