Mr. Conway's Decimal Jeopardy

Decimal Adding

100

1.6 + 2.8 =

4.4

200

3.21 + 3.88 =

7.09

300

12.3 + 18.7 =

31.0 or 31

400

203.254 + 436.142 =

639.396

500

482.42 + 482.402 =

964.822

Decimal Subtraction

100

2.7- 0.8 =

1.9

200

17.3 - 13. 4 =

3.9

300

13.28- 9.19 =

4.09

400

743.295 - 521.88 =

221.415

500

964.822 - 584.729 =

380.093

Decimal Multiplication

100

2 x 0.4 = 

0.8

200

2.1 x 6 =

12.6

300

6.3 x 0.7 =

4.41

400

9.46 x 13.4 =

126.764

500

42.49 x 23.2 = 

985.768

Exponents (Oh My)

100

3 x 10² =

300

200

1.5 x 10³ =

1,500

300

10⁵ - 600 =

99,400

400

0.083 x 10⁴ =

830.0 or 830

500

Write your answer as a FRACTION:

0.095 x 10²

9 and 5/10 or 9 and 1/2

Word Problems

100

Which digit in the number 245 is in the hundreds place?

2

200

Mr. Conway has a car washing company called, "Conway's Clean Cars." If I wash 92 cars a day and each car costs $12 each. How much money do I make in 4 days?

$4,416

300

 Josh lives 2.5 miles away from the park. Josh rides his bike to the park AND back home four days a week. How many miles does Josh ride his bike each week?

20 miles

400

Gracie buys 2 adult tickets and 2 child tickets for a movie.

Adults tickets cost $16.50. Children's tickets cost half as much. 

What was the total cost of the tickets?

$49.50

500

Four friends ran a total of 26.54 miles.

1 friend ran 12.36 miles.

Another friend ran 3.67 miles.

If the other friends ran the same distance as each other, how much did they each run?

10.51 miles