Algebraic Concepts Jeopardy

Solving Equations

100

6x=18

x=3

200

3x+6=24

X=6

300

3x−5=16

x=7

400

4y+8=20

y=3

500

4(z+3)=2z+18

z=3

Area of a circle

100

Find the area of a circle with a radius of 5 cm.

25pi or 78.5cm

200

Find the area of a circle with a diameter of 12 inches.

113.04in or 36pi

300

Find the area of a circle with a radius of 7 meters.

153.9384m or 49pi

400

Find the area of a circle with a radius of 15 cm.

225pi or 706.5cm 

500

Find the area of a circle with a circumference of 20 meters.

31.8m

Percent Error

100

A student measures the length of a pencil and gets a result of 7.8 cm. The actual length of the pencil is 8.0 cm. What is the percent error?

2.5%

200

A thermometer measures the boiling point of water to be 100.5°C, while the accepted value is 100.0°C. What is the percent error?

0.5%

300

A student measures the mass of a rock to be 98.4 grams, while the accepted mass is 100 grams. What is the percent error?

1.6%

400

A student measures the length of a metal rod to be 15.5 cm. The true length of the rod is 15.8 cm. What is the percent error?

1.90%.

500

The accepted value for the volume of a cylinder is 50.0 cm³. A student measures the volume to be 52.5 cm³. What is the percent error?

5.0%.

Adding and Subtracting Negative Numbers

100

-2+9

7

200

-10-5

-15

300

-57-96

-153

400

-48-(-12)

-36

500

-24+-18

-42