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what is a perpendicular line ?
a line a right angles to another. A bit like the line across the top of the letter T
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what do the anlges of a square add up to in degrees ?
360
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how do you find the volume of a cuboid
times the length, by the width, by the height
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Parallel lines are
lines that are the same distance apart for their entire length, like train tracks
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an angle larger then two right angles is called a
reflex angle
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the square root of a number is
the number multiplied by itself to make that number. So the square root of 25 is 5. (because 5x5 = 25)
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the 8 positions of a compass, starting at north are...
north, north-east, east, south-east, south, south-west, west, north-west
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what does congruent mean
it means the same shape and size
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in a 3-d shape, like a dice or a ceral box, what is the vertex?
the point (or corner) of a shape
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in a 3-d shape, like a dice or a ceral box, what is a face?
a flat side (like a face of a dice)
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in a 3-d shape, like a dice or a ceral box, what is an edge?
where two faces meet
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what do the angles of a triangle add up to in degree
180
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Horizontal means
straight across, like the horizon
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vertical means
straight up or down, like a drain pipe
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oblique means ...
slanting
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what is 0.25 as a fraction
1/4
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what is the product
the figure when two numbers are multiplied together
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what does the sum mean?
the answer when added togther. so the sum of 4, 6 and 4 is 14
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how many kilometres in a mile
1.6 kilometres in a mile
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so how many kilometres in 5 miles
8
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weight. how many pounds in a kilogram?
2.2 punds to a kilogram
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if you roll a dice, what are the chances of getting an even number
1/2 pr 50%
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what is a factor
a number which will divide exactly into another number
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what is 'the lowest term' ?
the simplest you can make a fraction. e.g 16/32 = 8/16 = 4/8 = 2/4 = 1/2.
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What is an integer ?
a postive or negative whole number. e.g. 3, or -6, or 0, or -324, or 567
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what is an icosahedron?
a shape with 20 faces
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how many faces does a pentagon have
5
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what is a factor?
the factor of a number are numbers that divide into it. So the factors of 8 are; 1,2,4,8
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