Very Easy
Easy
Difficult
Hard
Super Hard
100

2+400

402


100

9 x 5

45

100

20+24

44

100

14+24

38

100

20+136

156

200

20+50


70

200

-3 + 3 

0

200

50 + 23

73

200

50 x 100

5000

200

63 + 45 = 60 + 40 + ?

8
300

2 x 20

40

300

-10+11

1

300

50% of 20

10

300

20 x1000

20,000

300

-12 + 36

24
400

70+30

100

400

50% X 100

1/2 OR 50, 2

400

90+10

100


400

50 x 10

500

400

45 +45

90

500

11+31

42

500

50 - 34

16

500

34 -50

-16

500

a famer has 50 sheep, he killed 14 and 20 died of disease. How many are left 

16

500

-92+30

62


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