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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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Interactive exerciseNewTeacher -
Towards a growth-oriented learning mindset: Book review
Towards a growth-oriented learning mentality by Sandra van Aalderen is an inspiring book that offers teachers, mentors, school leaders and other education professionals concrete tools to promote a growth-oriented mindset in education. This book …
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Typing lessons online
Typing lessons online is a free typing course for young and old. You learn to touch type with 10 fingers. Various keyboard layouts and color schemes are available.
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Interactive exerciseNewTeacher, Other -
GenDino: Your own Chrome Dino game with AI
GenDino is an application from Google Labs where you create your own version of the classic Chrome Dino Game using AI. The prompts you enter are converted to grayscale pixel art and once you choose Let's run you will play that you can also play when …
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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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Interactive exerciseNewTeacher -
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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Interactive exerciseNewTeacher