Show:
10 more / 10 less
100 more / 100 less
Find the Missing Number
Rounding
Multiplication
Adding Four #s
100

10 more

17

27

100

12+_=16

4

100

17

20

100

10x5=

50

100

10+20+30+10=

70

200

10 less

26

16

200

17+_=25

8

200

63

60

200

10x3=

30

200

15+25+42+18=

100

300

100 more

385

485

300

24+_=30

6

300

181

180

300

50x6=

300

300

16+34+10+45=

105

400

100 less

154

54

400

5+_=15

10

400

429

400

400

60x2=

120

400

27+13+50+5=

95

500

10 less

16

6
500

13+_=18

5

500

875

900

500

80x4=

320

500

43+17+22+38=

120