Friday, March 18, 2011

Maths Swap (Multiplication and Division)

KNOWLEDGE: FAMILY OF FACTS

WHAT NUMBERS GO TOGETHER?
2, 3 and 6: 'We can put these numbers together in four different ways!'.



TRIANGULAR CARDS: TIMES TABLES
Learn your times tables and divisions together!



MATH PLAYGROUND: THE VIDEOS
Kick back and watch some excellent math videos!  The 'Arithmetic' section includes multiplication.




KNOWLEDGE: TWO GROUPS OF THREE...

TIMES TABLES BASICS
'Let's see what's really going on when we multiply two numbers'.



TIMES TABLE
How many facts can you remember?  Test yourself here!




KNOWLEDGE: MULTIPLES OF TEN 

Have a go at these fun challenges.

  1. Complete the pattern.
  2. Problems like 200 × 20.
  3. World problems with multiples of ten.




CA - AC

NZ MATHS DEMONSTRATION



COUNTING STICK
Practise skip counting forwards and backwards with the horizontal counting stick.



SEQUENCES
Challenge yourself and practise skip counting from random numbers.




AC - EA


Practise counting by threes etc., on this virtual hundreds chart.




NZ MATHS: DEMONSTRATION



NZ MATHS: DEMONSTRATION



DIVIDE IT UP: PUPPIES!
How many toys will each puppy receive?  Are there any left over?



VIRTUAL MANIPULATIVES
If you have 12 teddy bears and they have to sit in groups of 3, how many groups will they make?






These blocks are useful and easy to use!



You may find this application useful for exploring multiplication in parts.   




EA - AA







NZ MATHS: DEMONSTRATION










NZ MATHS: DEMONSTRATION
TEACHER TOOLS: PPT



MAKING TENS: TUTORIAL
Learn to round one of the numbers to a ten with this tutorial.

  1. The multiplier, easy: make your own.
  2. The multiplier, hard: make your own.
  3. The multiplier, hard: random equations.



TEACHER TOOLS: PPT



TEACHER TOOLS: PPT







AA - AM




TEACHER TOOLS: PPT







TEACHER TOOLS: PPT




NZ MATHS: DEMONSTRATION





Generate your very own hard multiplications.
  1. Tens and ones: explanation. 
  2. The multiplier, easy: make your own.
  3. The multiplier, hard: make your own.







TEACHER TOOLS: PPT



NZ MATHS: DEMONSTRATION
TEACHER TOOLS: PPT



TEACHER TOOLS: PPT (MULTIPLICATION)
TEACHER TOOLS: PPT (DIVISION)










AM - AP

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