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Those pesky times tables again…

June23

MATHS heads a back-to-basics curriculum revamp in Government proposals we told you of yesterday, under which pupils will be taught mental arithmetic, fractions and times tables from age five. Here a TV maths expert explains why she backs the plans. 

Elementary maths is so important — especially now.

You need maths to go on to study subjects such as geography, law, economics and science. If you want to be a plumber, electrician or nurse you need it too. Everybody needs it. If kids don’t get to a good standard then they’re going to struggle to get a job.

We’re in a global market. In 20 years, as the political situation in the Far East changes dramatically, our kids will be competing against the highly educated Asian population. Click here for the full article.

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NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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