KS3 Maths Help
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Algebra and the 11+
I used algebra to teach my daughter how to do questions of this sort (type K):
( 7 ( 42 ) 6 ) ( 4 ( 36 ) 9 )
( 12 ( ) 5 )
We went through a number of these, and I showed her that, for the example above, the middle number is LxR (where L is the left hand number, and R is the right-hand number. This got more interesting, with things like 2L+R, (L+R)/2, etc. By the end, not only had we got a good understanding of the basic different ways that these questions are structured, but she had a sound introduction to algebra!
Y
( 7 ( 42 ) 6 ) ( 4 ( 36 ) 9 )
( 12 ( ) 5 )
We went through a number of these, and I showed her that, for the example above, the middle number is LxR (where L is the left hand number, and R is the right-hand number. This got more interesting, with things like 2L+R, (L+R)/2, etc. By the end, not only had we got a good understanding of the basic different ways that these questions are structured, but she had a sound introduction to algebra!
Y
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