100
3.56+.7=
What is 4.26
100
1.56-.62=
What is .94
200
5.96+.69=
What is 6.65
300
15.89+.99=
What is 16.88
300
5.28-3.54=
What is 1.74
400
20.67+3.89=
What is 24.56
400
6.78-4.62=
What is 2.16
500
20.56+23.65=
What is 44.21
500
20.21-18.54=
What is 1.67
500
20.56*50=
What is 1,028
500
10*(-10)=
What is -100
500
-13=(-15)=
What is -27