Year 8 Maths Jeopardy

Like Terms

100

Simplify: 6a + 4a + 4b + 7

10a +4b+ 7

200

Simplify: k + 3n - 2n + 4k

5k + n

300

Simplify: 4(y + 9) - 3y

y - 36

400

Simplify and solve for x: x + 3x = 48

x = 12

500

Simplify: 14a + 4b + 7

Already simplified

Ordered Pairs

100

In an ordered pair, which number equals x and which number equals y?

x is the first number in the pair; y is the second number.

200

For y = x/4 is (16, 4) an ordered pair?

Yes

300

For y = 5 + 3x is (3,7) an ordered pair?

No

400

For y = 3x, when x = 4, what is the ordered pair?

(4, 12)

500

For x= y/2.5, when x =10, what is the ordered pair?

(10, 25)

Fractions and Decimals

100

What is 1/2 as a fraction?

1/2

200

What is 1/2 as a decimal?

0.5

300

Convert 0.6666666... to a fraction.

1/3

400

Rowan ate 1/2 a pizza and Max ate a whole pizza. As a decimal, how much pizza was eaten?

1.5 pizzas

500

Peter at 7/8 of a pizza and Carlos at 3/4 of a pizza. Who ate more pizza?

Peter

Equations

100

Solve for x: x - 9 = 2

11

200

Write an equation to represent : twice a number plus five is 17.

2x + 5 = 17

300

Solve for x: x/4 + 7 = 3

x = -16

400

Fill in blank: 6(4) _____ 24

Equals

500

Write an equation to represent the change (x) in the population of Memphis between 1960 (550,000) and 1990 (725,000)

x = 725,000 - 550,000

Anything

100

The number in front of a pronumeral is called a ...

Coefficient

200

Which of these is not found in 5x + 7 = 19?

Pronumeral, Constant or Expression or Coefficient?

Expression

300

A 12 oz container of soda has 120 calories. How many calories are in one ounce of the soda?

10

400

Name a fraction that is equivalent to 2/3.

Possibilities: 4/6, 6/9, 8/12, etc

500

On a map, the distance between Charleston and Mt. Pleasant is 3 cm. The scale is 1 cm = 25 km. What is the actual distance between the two towns?

75 km