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Posts tagged with math movies

Best 10 Math Movies for Middle+ School Students

December20

Check out Math Movie Trailers, and more information here.

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Blast from the cartoon past!

March8

Yes, in the “old days” we used to show real (and reel) movies, ordered from some central education office. Now many of these can be found on youtube, such as Donald in Mathmagic Land! It is about 23 min long but well worth a look to help get interested in maths. Recommended for earlier grades […]

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10 x 9 x 8 + (7 + 6) x 5 x 4 x (3 + 2) x 1 = 2020

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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