Year 8-9 Maths

Complete all problems, click "Check Answers" button to show results.
  1. Tom invests $135 at 8% per annum (p.a.), compounded semi-annually for 3 years. Find the total amount Tom will have after three years. Round to nearest hundredth. 

Help

  1. Find the surface area and volume of a cube with a side length of 12 cm.

S A = cm2   Formula: SA= L2 ×6  

V . .= cm3   Formula: V = L3

Help

  1. Find the next five terms of the sequences below...
a)   12, 24, 36, ..... , , , ,
b)   2, 8, 32, ..... , , , ,
c)   400, 200, 100, ..... , , , ,
d)   64, 58, 52, 46, ..... , , , ,
Help

  4.   Complete the table below. Round to the nearest hundred-thousandth if required.

Substitute

x + 9

3 - x

2x - 3

x3

7 - 3x
x = 7
x = -4
x = -13
x = 0.25

Help
 5. An octagon, has a radius of 6 cm. Can you find the area of it?  Formula:   2 x r2 x 1.4142135
Round up to the nearest hundredth. 

cm2 

Help

  6. Type all prime numbers between 50 and 100.
Break each prime number up with  a comma. 

Help

  1. Susan wants to borrow $25,000 for five years. She visited four banks,  all four charge a different rate per annum.
a.   How much interest would be paid at Bank 1  at 11% p.a.?
b.   How much interest would be paid at Bank 2 at 12.5% p.a.?
c.   How much interest would be paid at Bank 3 at 12.75% p.a.?
d.   How much interest would be paid at Bank 4 at 13% p.a.?

Help

 

    

 

Top | More Maths | Main Page

 


Copyright 2001. All pages on this site are copyright property of Teaching Treasures Publications.