Show:
100-200
Addition
Subtraction
What number is missing
10

What number is right in the middle of 100-200

150

One hundred fifty


10

1+3

4

Four

10

3-2

1

One

10

 +4=7

3

Three

20

What number is in the middle 100-160

130

One hundred thirty

20

4+2

6

Six

20

10-6

4

Four

20

 -2=0

2

Two

30

What is 120+130

250

Two hundred fifty


30

12+3

15

Fifteen

30

12-7

5

Five

30

 +7=20

13

Thirteen

40

what is 134+234

 368

Three hundred sixty eight

40

20+33

53

Fifty three

40

20-14

6

Six

40

 -2=7

9

Nine

50

What is 100 minus 90

10

Ten

50

100+48

148

One hundred fourty eight

50

23-13

10

Ten

50

 -7=7

14

Fourteen