Math Jeopardy

Multiplying

50

2x1.5

3

150

2.5x4

10

350

2.54x3.21

8.1534

500

12.45x12.4

154.38

650

72.14x21.91

1,580.5874

Subtracting decimals

50

1.5-0.5

1

150

12.21-2.21

10

350

21.512-12.211

9.301

500

72.873-55.954

16.919

650

8,750.908-6,586.8691432

2,164.0388568

Adding decimals

50

8+3.42

11.42

150

3.426+65.766

69.192

350

386.4854+12.89

399.3754

500

6,892.3954+0.79342

6,893.18882

650

793.86741+867.1323

1,660.99971

dividing decimals

50

17÷8.5

2

150

70÷17.5

4

350

70÷8.75

8

500

740÷6.46

114.551083591

650

48.7374÷874.757

0.05571535866