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Angles in a triangle
Sum of the three angles in a triangle = 180 degrees.
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Types of triangles
Types of triangles:
- acute-angled,
- obtuse-angled,
- rectangular,
- isosceles,
- equilateral.
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Scale: Conversions
Scaled exercises: scaled distance compared to actual distance.
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Fraction of a number
Calculate the fractions of numbers (example: how much is 1/4 of 120?)
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Derive fraction from figure
The figures are divided into boxes and partly colored. The number of colored boxes must be expressed as a fraction.
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Division of fractions
Here you will find some basic exercises on dividing fractions.
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Transform improper fractions
This exercise requires you to convert improper fractions to whole numbers and basic fractions.
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Rounding a whole number
This exercise is about rounding a number to the nearest unit, ten, hundred and thousand.
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Compiling numbers
This exercise is about composing numbers with units, tens, hundreds and thousands.
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Unit, ten, hundred and thousand
Indicate what the unit, ten, hundred or thousand of a given integer is.
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Intersecting parallel lines: Exercises
Two parallel lines intersect with another line. Calculate the size of the angles.
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Types of angles: Exercises
BookWidgets exercises on the types of angles:
- right angle;
- dead angle;
- sharp angle;
- zero angle;
- straight angle;
- full corner.
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