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help with adding using maths grids

(7 Posts)
pollywobbledoodle Sun 25-Oct-09 22:15:35

i was helping dd to add 2 figure numbers and 3 figure numbers in the way i was taught at school ie

when dh said that the world as we know it has changed and they don't teach it that way any more, they start from the left and use a grid but he had no real idea

anybody know how it works as i don't want to confuse dd

cece Sun 25-Oct-09 22:17:03

The grid method is multiplication.
What year is she in?

pollywobbledoodle Sun 25-Oct-09 22:20:16

year 1
i get how they can use one for multiplying eg 10s but couldn't see how it would work for adding...thanks

cece Mon 26-Oct-09 17:39:11

Grid method multiplication is not introduced to Year 4 though so a bit puzzled to what they were doing!?

pollywobbledoodle Mon 26-Oct-09 21:21:42

dh may well be confused!
thanks for taking the time to answer

southernbelle77 Tue 27-Oct-09 06:40:24

Do you mean a number line rather than grid? DD is in year 1 and they use a number line to help them add up.

pollywobbledoodle Tue 27-Oct-09 14:57:03

maybe but it would be a long line over a hundred....

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