Year 8

Rounding & Estimation

100

Round 560 to 1 significant figure

600

200

Round 0.999 to 2 dp

1.00

300

Round 0.02009 to 3 significant figures

0.0201

400

Estimate 254 x 0.342

100

500

Estimate (4.94 x 0.23)² + 97.2

101

Decimals

100

0.9 + 1.3

2.2

200

25.64 + 0.036

25.676

300

0.03 x 1.2

0.036

400

24 / 0.12 

200

500

0.14²

0.0196

Negative Numbers

100

-5 + 10 

5

200

9 + (-16)

-7

300

(-4 x 6) / 3

-8

400

(-11)²

121

500

(-32/-8) x (40/-5)

-32

Powers & Roots

100

What is 4²?

16

200

What is the square root of 196?

14

300

What is 3⁴?

81

400

What is (3 x -4)²

144

500

What is -15²

-225

Mr Mamaniat

100

Which football team does Mr Mamaniat support?

Manchester United

200

How old is Mr Mamaniat?

30 years young!

300

How many siblings does Mr Mamaniat have?

BONUS 100 POINTS: How many brothers or sisters?

4

BONUS POINTS: 4 brothers

400

Which year did Mr Mamaniat buy his SHARP calculator?

2007 (it's older than you lot!)

500

What course did Mr Mamaniat study at the University of Bradford?

Mechanical Engineering