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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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Convert emojis to pixels
We use a lot of emojis in our messages. Did you know that you can access the emojis with keyboard shortcuts on Windows or Chromebook?
On Windows, type Windows logo key + period or on a Chromebook ctrl+search+space.
This ZIM application allows you to …
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Adding rational numbers: Exercises
BookWidgets exercises on adding and subtracting rational numbers in fraction form and as a decimal number.
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Spacecraft AR
Explore the solar system in your own classroom with this educational app from NASA's Jet Propulsion Laboratory. Watch space explorers in augmented reality on your mobile device.
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Chrome Dino Game Design with OctoStudio and Zimjs
In this contribution you will learn how to design a running game with ZimJs code, such as the well-known Chrome Dino game with AI . In this appendix you will also find a video tutorial on how to design such a game with code blocks on a mobile …
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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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