Jeopardy

Adding Decimals

100

1.2 + 4.5

5.7

200

1.25 + 6.25

7.50 or 7.5

300

3.37 + 4.15

7.52

400

2.99 + 4.89

7.98

500

1.3 + 3.42

4.72

Subtracting Decimals

100

0.72 - 0.22

0.50

200

8.17 - 6.05

2.12

300

6.36 - 1.2

5.16

400

8.00 - 1.52

6.48

500

10.00 - 7.77

2.23

Area and Perimeter

100

A pool has a length of 16 feet and is 10 feet wide.  What is the area of the pool?

160 square feet.

200

A rug is 4 feet wide and has an area of 36 feet.  How long is the rug?

8 feet

300

A table is 4 feet wide and 18 feet long.  What is the perimeter of the table?

44 feet

400

An index card is 5 inches wide and 3 inches.  What is the perimeter of the index card?

16 inches.

500

A square is 9 inches wide.  What is it's perimeter AND area?

Perimeter: 36 inches

Area: 81 square inches

Multiples

100

The factors for the number 7 are listed below.  What number does not belong?

16, 21, 28, 7, 49

16

200

The factors for the number 6 are listed below. What numbers do not belong?

12, 36, 30, 46, 54, 1

1 and 46

300

The factors for the number 3 are listed below. What number does not belong?

18, 12, 33, 16, 24, 27, 30

16

400

The factors for the number 8 are listed below. What number does not belong?

14, 32, 40, 48, 1, 16, 22, 64

1, 14, 22

500

The factors for the number 4 are listed below. What number does not belong?

8, 12, 18, 20, 34, 60

18, 34

Subtraction

100

52 - 14

38

200

305 - 134 =

171

300

500 - 123 =

378

400

678 - 194 = 

484

500

888 - 396 =

492