pownall green primary school helping your child with multiplication tables
TRANSCRIPT
POWNALL GREEN PRIMARY SCHOOL
HELPING YOUR CHILD WITH MULTIPLICATION TABLES
Key words for multiplication tables
Multiplication methods
Reverse the question
Use known facts
Use doubling
Separate and add up
2x tables – tips
Products are EVEN
DOUBLE
HALVE
3x table – tips
If the digits add up to 3, 6, or 9, then it's in the 3 times table
4x table – tips
All the products are EVEN
DOUBLE and DOUBLE AGAIN
If the last 2 digits of a number are a multiple of 4, then the number is
Reverse the calculation if that makes it easier
5x and 10x tables – tips
Multiples of 5 end in a 5 or a 0
Multiples of 10 always end in a 0
6x table – tips
All the products are EVEN and a multiple of 3
X3, then DOUBLE it
Reverse the calculation if that makes it easier
7x table - tips
7 x 8 = 56. Just remember - 5,6,7,8
Reverse the calculation
4 rows of 7 which is the same as the sum 4 x 7.
o o o o o o o o o o o o o o o o o o o o o o o o o o o o
Count them up - there are 28. It is the same as 7 x 4 - 7 rows of 4.
o o o o o o o o o o o o o o o o o o o o o o o o o o o o
8x table – tips
The products are always EVEN
X4 then DOUBLE it
The unit digits have a regular pattern - they go down in 2s
9x table – tips
The tens go up but the units go down
1 x 9 = 9 2 x 9 = 18 3 x 9 = 27 4 x 9 = 36 5 x 9 = 45 6 x 9 = 54
The digits of the products add up to 9
18 = 1 + 8 = 9 27 = 2 + 7 = 9 36 = 3 + 6 = 9
There are 6 fingers to the left and 3 fingers on the right. The answer is 63.
Hold out all 10 fingers, and lower the 7th finger.
The Finger Trick
7 X 9
When to practise multiplication tables
WHENEVER
WHEREVER
LITTLE AND OFTEN
REAL-LIFE CONTEXTS
REVISIT