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Signs of forces: Lesson letter
This lesson letter explains:
- the schematic representation of forces;
- parts of a force arrow;
- calculate with force arrows;
- dissolution of forces;
- putting together forces.
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Solving first-degree equations: Step-by-step plan
Step-by-step plan to solve first-degree equations with one unknown:
- equations of the form a + x = b
- equations of the form ax = b
- equations of the form ax + b = c
- equations of the form ax + b = cx + d
- equations with brackets (distributivity)
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Calculating circumference: Issues
Problems that require calculating the perimeter of plane figures.
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Calculating average: Exercises
Exercises on calculating the arithmetic mean.
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Measuring and communicating
This website is suitable for all grades, with attention to:
- quantities;
- units;
- scientific notation;
- vectors and operations with vectors;
- measurement errors;
- meaningful numbers;
- scientific method.
You will find detailed theory on the above topics, …
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Arithmetic with square roots: Exercises
Short Book widgets to, for example, end the lesson or quickly start the lesson.
Here you will find five exercises on simplifying square roots and calculating with square roots.
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Unit prefixes
Drag the units prefix on the left to the corresponding tenth power on the right.
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Simplifying Square Roots: Exercises
Short application with six exercises on simplifying square roots and making denominators root-free.
Can be used as a short interim task or test to see who is or is not up to date with the learning material.
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Arithmetic with powers: In-depth exercises
These exercises on arithmetic with powers can be used to deepen or as an extra challenge.
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Calculation rules for operations involving powers: Exercises
Exercises on the calculation rules for operations involving powers.
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Powers with an integer exponent: Exercises
Exercises on powers of integers and fractions with an integer exponent.
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Powers with a natural exponent: Exercises
Exercises on powers of whole numbers and fractions with a natural exponent.
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