adding
Subtract
rounding
Round to tenth
Fun
100

1.78 + 1.32

3.10

100

3.00 - 6.00

3.10

100

12.35

12.00

100

16.56

20.00

100

Spell math

M-A-T-H

200

2.00+8.00

10.00

200

346.0 + 4.0

350.0

200

15.89

16.00

200

555.55

600.00

200

Where is the decimal dot ussaly placed

The middle .

300

2.0 + 4.0

6.0

300

2000.0 + 0.1

2000.1

300

2.78

3.00

300

52.98

50.00

300

1+1+1+1+1+1+1+1+1+1

10 I think ;/

400

30.0 + 40.0

70.0

400

11.0+ 12.00

23.00

400

289.35

289.00

400

123.45

120.00

400

21+34

55

500

1.0 + 99.0

100.0

500

12.0 - 1.0

11.0

500

12.78

13.00

500

209.67

210.00

500

9+1

10