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World Menstrual Day: Quiz
Kahoot! about World Menstrual Day associated with the videos from READY-Explained: what do you know about menstruation? May 28 is World Menstrual Day. Time to think about your period or that of your menstruating fellow man!
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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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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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Elections: Quiz
View the Karrewiet report on the elections . You then solve multiple choice questions about the broadcast.
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Muscles: Construction and function
The muscles: in this lesson video we discuss the structure, function and operation of the muscles.
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Joints: Types and function
In this lesson we discuss the function and types of joints in the human body:
- ball joint,
- roller joint,
- elliptical joints,
- saddle joint,
- hinge joint,
- plane joint.
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Skeleton: Construction and function
A short lesson video explaining the basics of the skeleton, structure and function.
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