Show:
place value
integers (negative/ positive number questions)
number patterns
order of operations(bodmas)
history of numbers(roman numerals,egyptian numerals)
100

1 3 5 7 . 9 7 3

1357.973

100

11+-15

=-4

100

2,4,6,_,10,12,14,16,18,_,22,24,26,_,30

2,4,6,8,10,12,14,16,18,20,22,24,26,28,30

100

10x(8+5)=130x10

=1300
100

i+ii+iii+iv+v

15

200

1 6 9 3 1 . 5 9 3 8

16931.5938

200

-7+-5

=2

200

4,8,_,16,20,_,28,_,36,_

4,8,12,16,20,24,28,32,36,40

200

12+9 ÷2=16.5+6

=22.5

200

i+v

=6

300

5 7 8 9 9 . 4 3 2 1

57899.4321

300

-350+-450

=-100

300

10,20,30,40,50,_,_,80,90,_

10,20,30,40,50,60,70,80,90

300

10x4+7=40+7

=47

300

vi+v

=11
400

9 5 3 2 9 6 . 3 5 8 2 9

953296.35829

400

590+-610

=-20

400

15,30,_,60,_,90,105,_,150

15,30,45,60,75,90,105,120,150

400

10÷2-3=5-3

=2

400

vi+v+v

=16

500

9 9 6 8 4 6 5 . 6 7 3 1 9 9 

9968465.673199


500

1150+-1190

=-40

500

20,40,60,80,_,120,140,_,180,200

20,40,60,80,100,120,140,160,180,200

500

10+22=14+5

=19

500

vi+vi+ii+v

=18