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Rule of Three: Exercises
Extra exercises on the rule of three supplemented with an improvement key. This covers:
- cost accounting,
- percent calculation.
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Inverse function: Exercises
BookWidgets exercises on calculating the inverse function of a first or second degree function.
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Clay vases with dried flowers: Assignment for Mother's Day
Make clay vases and stick the dried flowers in them. Let dry and paint if necessary. Glue to a board.
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Flower Girl: Assignment for Mother's Day
Fold figures and daisies with iron wire. Glue them to a plate with the glue gun.
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Corners in a quadrilateral
Sum of the four angles in a quadrilateral is 360 degrees. Calculate the size of an angle, based on three given angles.
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Sine function
Elements of the sine function: amplitude, equilibrium line and period. You receive a job description and get the requested information from it.
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Working out squares with remarkable products
Calculate the following squares using the rule of remarkable products.
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Proportions
An exercise on solving proportions: a/b = c/d means ad = bc.
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Distributivity in multiplication
Working out multiplications using distributivity: e.g. 31x11 = (30+1)x(10+1) = 300 + 30 + 10 + 1 = 341.
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Square roots of natural numbers
This exercise is about square roots of natural numbers, which have a natural number as a solution.
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Sign of sine, cosine and tangent: Exercises
Exercises on the sign of sine, cosine or tangent (positive, negative, 0, 1 or -1).
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Problems with percentages: Exercise
Problems with percentages about profit, discount, increase and decrease.
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