Grade 10 — Term 1
10 study notes · 300 practice questions · Aligned with NIE syllabus
Counted in the Idasara Academy app, which you open with a free account. The free notes, revision, practice and library pages for each lesson are linked below.
Lessons in This Term
Perimeter
Perimeter is simply the distance you would walk if you traced the whole outside edge of a shape and came back to where you started.
Square Root
Every time you know the area of a square and want to find the length of one side, you are taking a square root.
Fractions
Half a cup of flour, a third off the price, a quarter tank of petrol, splitting a bill three ways — fractions are how we talk about parts of a whole every single day.
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Create Free AccountBinomial Expressions
Every time a builder works out the area of a plot whose sides are given as expressions, or a shopkeeper mentally squares 103 to price a bulk order, they are quietly using binomials.
Congruence of Triangles
Every time two machine parts must fit, two roof beams must carry the same load, or a tiled floor must repeat a pattern without a single gap, someone has relied on congruence — figures that are exactly the same shape and size.
Area
Look at a circular kokis mould, a hand-held fan opened part-way, a slice cut from a birthday cake, or a pie-shaped plot of land marked out by a surveyor.
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Create Free AccountFactors of Quadratic Expressions
Multiplying two brackets to get a quadratic is easy — you learned it in Grade 9.
Triangles
Look at almost any built thing that has to stay standing — a roof truss, a bridge girder, the A-frame of a step ladder, the gable of a Kandyan-style house — and you will find triangles.
Inverse Proportion
When more workers join a job it finishes sooner; when a bus goes faster it arrives earlier.
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Create Free AccountData Representation
Every day the world hands you raw numbers — election results, a family budget, the marks of a whole class — and raw numbers are hard to feel.