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Square root of a decimal number: Exercises
BookWidgets exercises on calculating the square root of a decimal number.
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Power of a decimal number: Exercises
BookWidgets exercises on calculating powers of decimal numbers.
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Power of a fraction: Exercises
BookWidgets exercises on calculating powers of fractions.
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Words with ch(t) or g(t)
This quiz with multiple choice questions practices the spelling of words with ch(t) or g(t).
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Number knowledge up to 100,000
With this online exercise you practice your knowledge of numbers up to 100,000. You give the value of a digit in a number, you add units, tens or hundreds to a specified number and you indicate the largest number.
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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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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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Elections: Quiz
View the Karrewiet report on the elections . You then solve multiple choice questions about the broadcast.
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Problems with percentages: Exercise
Problems with percentages about profit, discount, increase and decrease.
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