Adding, Subtracting, Multiplying, and Dividing decimals

Adding

100

1.20 + 2.70

What is 3.90

300

4.37 + 8.34

What is 12.71

500

23.732 + 53.275

What is 77.007

700

63.577 + 33.725

what is 97.302

1000

549.4972 + 625.5049

What is 1175.0021

Subtracting

100

5.30 - 2.10

What is 3.20

300

23.56 - 11.20

What is 12.36

500

43.224 - 36.448

What is 6.776

700

103.321 - 94.853

What is 18.468

1000

652.3058 - 385.6489

What is 266.6569

Multiplying

100

2.10 x 3.4

What is 71.4