Intro to Year 8 Jeopardy!

Fractions

100

Simplify: 16/32

1/2

200

Simplify: 60/144

5/12

300

Write as a mixed fraction: 9/4

2 1/4

400

Write 0.8 as a reduced fraction

4/5

500

What is 3/4 of 280?

210

Geometry

100

A square has one side measuring 5m. What is its area?

25m²

200

A triangle has a base of 6cm and a height of 3cm. What is its area?

9cm²

300

What is the area of a rectangle whose given side lengths are 8 cm and 12 cm?

96 square cm

400

What is the area of a cube with faces equal to 3cm by 3cm?

54 square cm

500

What is the area of a circle whose radius is 1cm?

3.14cm²

Number Skills

100

12-(-6)?

18

200

81 /(-9)?

-9

300

125 -2 (3+7) =?

105

400

(-0.54) / 6

-0.09

500

12 - (3³ / 9 )² x 2

-6

Exponents

100

What is 2³?

8

200

The big number at the bottom of a power is called the...

base

300

How can you write 4x4x4x4x4 as a power?

4⁵

400

What is (-1)²

1

500

What is -2²

-4

Problem Solving

100

50 apples cost $24. How much does 75 apples cost?

$36

200

Brynlee is selling pies for a band fundraiser.  They make $5.50 profit for every pie they sell.  How many must they sell in order to make a profit of at least $100?

18 pies

300

Jenny bought a new car which costs 360 000kr. She paid 180 000 kr with cash, and borrowed the rest of the money from the bank. If she pays 2000 kr every month back to the back, how many months will it take her to pay back all the loans?

90 months

400

A school trip costs 5000kr for the bus and 200kr per student. Each student pays 400kr for the trip. How many students went on the trip?

25

500

Last week Bill earned $210 for a 30-hour week. What was his pay rate? What would he have earned for a 40-hour week?

Pay rate = $7/hour In a 40-hour week Bill would have earned $280.