Year 8 Number Revision

Without calculator, calculate 2.34 x 5.6.

• 131.04

• 13.1

• 0.13

• 3.14

• 0.001

• 0.0001

• 0.11

• 0.1

Write 93.234 in 3 significant figures.

• 93

• 93.00

• 93.23

• 93.2

Maya likes to eat pizza. Every day she will eat 3/8 pizza. Work out how many days she can finish 5 pizzas.

• 15

• 13

A bag was sold at $ 160 from its original price $ 200.  

    Calculate the reduction as a percentage of the original price.

• 16%

• 40%

• 20%

• 216%

Why 99 is not a prime number?

• Because number 9 is special case.

• Because it can be divided by 3.

• Because it is not even number.

• Because it is odd number.

3.4 x ? = 0.034

• 0.00001

• 0.001

• 0.01

• 0.1

• 0.012

• 210

-1 -2 -3 4 5 6 7

Find two numbers from the list above that can give the highest possible value.

• 7,5

• -1,7

• 7,6

• -3. 7