UNIT 5 Decimals Jeopardy

Addition

100

2.3 + 4.4 = _______

6.7

200

4.6 + 55.78 = _____

60.38

300

8 + 2.8 + 14.2 = _______

25

400

42.890 + 57.110 =_________

100

500

456.258 + 234.542 = _________

690.800

Subtraction

100

8.8 - 6.4 = ________

2.4 

200

12.3 - 4.2 = _________

8.1

300

67.3 - 41.2 = _________

26.1 

400

142.14 - 84.93 = ________

57.21

500

345.23 - 187.40 = _______ 

157.83

Multiplication

100

2.1 x 8 =_______

16.8 

200

0.7 x 0.04 = _______

0.028

300

8.2 x 5.1 = _________ 

41.82

400

81.11 x 9.2 = _______

A. 74.6212

B. 746.212

C. 745.212

D. 74.5212

B. 746.212 

500

22.41 x 5.89 = __________

131.995 

Division

100

8.4 ÷ 4 = _______ 

A. 21

B. 2.1

C. 22

D. 2.2

B. 2.1 

200

8.8 ÷ 2.2 = _________ 

4

300

24.2 ÷ 8 = ________

A. 30.25

B. 31.25

C. 3.025

D. 3.125

C. 3.025

400

379.68 ÷ 8.4 = ___________ 

45.2 

500

70.896 ÷ 8.4 = _________

8.44 

Random

100

What's the question we ask ourselves every time we do multiplication by decimals? 

How many digits are after the decimal(s)? 

200

9.2 x 2.4 = __________

22.08 

300

224.50 - 117.32 = __________

107.18 

400

Mr. Dittman ran a race in 12.84 seconds. Bob ran the same race in 13.78 seconds. How much faster did Mr. Dittman run? 

0.94 seconds 

500

If I (Mr. Dittman) could have any superpower what would it be? 

A. Time Travel 

B. Mind Reading 

C. Invisibility 

D. Teleportation 

A. Time Travel