Monday, March 14, 2011

Maths Swap (Decimals, Percentages and Ratios)

TERM 2: HAVE FUN LEARNING ALL ABOUT DECIMALS!

THE BASICS

Your very own number line!  What numbers are missing?



Jump in your police car, read the clue and track down that "crooked decimal!"




KNOWLEDGE: SKIP COUNTING

Skip count any increment, slow, medium or fast!



KNOWLEDGE: CONVERTING

Well that was a mouthful.  See how fractions compare to decimal numbers.



What decimal number is illustrated?



What decimal number is illustrated?




KNOWLEDGE: COMPARING AND ORDERING

0.5 is greater than 0.2



Order these balloons from smallest value to largest value.  



Here's a walkthrough that will teach you how to compare and order decimal numbers.  



Click through the various lessons and learn to order decimals.



Arrange the decimals on the number line.  Be careful though, you only have five lives.


  
KNOWLEDGE: ROUNDING

Select the activity that allows you to round tenths to the nearest one.



KNOWLEDGE: QUIZ ME!

Take a quiz and see how much you know about decimals.



Browse down the page to Chapter 20 and try a quiz.



KNOWLEDGE: DIVIDE BY 10 OR 100

Learn to divide decimals by 10 or 100.



AA-AM


Learn to add decimal numbers.



This is a challenging game - be warned!



Jump through the number line to solve these decimal subtraction problems.




DARTBOARD PERCENTAGES
Practise solving percentages of amounts.



PERCENTAGES
Despite being in pounds and pence you may still find this demonstration useful.



Match the counters.  Can you find all the pairs?



Play around with the colours and see how this changes the decimals.




Here's a good learning activity that will help with your understanding of ratios.



AM - AP





Visit this site for a short explanation followed by this activity.  






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