pownall green primary school helping your child with multiplication tables

13
POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

Upload: scarlett-richard

Post on 02-Jan-2016

215 views

Category:

Documents


1 download

TRANSCRIPT

Page 1: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

POWNALL GREEN PRIMARY SCHOOL

HELPING YOUR CHILD WITH MULTIPLICATION TABLES

Page 2: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

Key words for multiplication tables

Page 3: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

Multiplication methods

Reverse the question

Use known facts

Use doubling

Separate and add up

Page 4: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

2x tables – tips

Products are EVEN

DOUBLE

HALVE

Page 5: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

3x table – tips

If the digits add up to 3, 6, or 9, then it's in the 3 times table

Page 6: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

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

Page 7: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

5x and 10x tables – tips

Multiples of 5 end in a 5 or a 0

Multiples of 10 always end in a 0

Page 8: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

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

Page 9: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

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

Page 10: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

8x table – tips

The products are always EVEN

X4 then DOUBLE it

The unit digits have a regular pattern - they go down in 2s

Page 11: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

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

Page 12: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

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

Page 13: POWNALL GREEN PRIMARY SCHOOL HELPING YOUR CHILD WITH MULTIPLICATION TABLES

When to practise multiplication tables

WHENEVER

WHEREVER

LITTLE AND OFTEN

REAL-LIFE CONTEXTS

REVISIT