Decimals Jeopardy

Adding Decimals

100

0.7 + 0.4

1.1

200

0.27 + 0.56 + 0.38

1.21

300

58.912 + 0.066

58.978

400

26.05+2.514+8.8

37.364

500

100.09+289.9+305.321

695.311

Subtracting Decimals

100

0.58-0.4

0.18

200

0.4-0.39

0.01

300

3.05-0.17

2.88

400

22.16-9.504

12.656

500

99.9-9.123

90.777

Multiplying Decimals

100

3.7 x 2 

7.4

200

6.54 x 12

78.48

300

36.2 x 0.83

30.046

400

7 x 0.004

0.028

500

$3.25 x 2.2

$7.15

Dividing Decimals

100

521.6 / 10

52.16

200

0.70 / 5

0.14

300

2.448 / 6

0.408

400

70.51 / 34

2.074

500

0.976 / 17

0.057

Random

100

A triangle has 3 equal sides. One side has a length of 0.85 cm. What is the perimeter of the triangle?

0.85+0.85+0.85 = 2.55 cm

200

Complete the number pattern:

0.3, 0.6, 0.9, 1.2, ?, ?

1.5, 1.8

300

Yuko is 1.15 m tall. His mother is 0.3 m taller than Yuko. His father is 0.26 m taller than Yuko's mother. How tall are Yuko's parents?

Mother: 1.15 + 0.3 = 1.45 m

Father: 1.45 + 0.26 = 1.71 m

400

At Oscar's Office Supply Center, one pen costs $1.19. How much do 15 of the same kind of pens cost?

$1.19 x 15 = $17.85

500

Mr. Watanabi drives 224.4 mi in 4 h. What is his rate of speed per hour?

224.4 /4 = 56.1 mph