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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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Problems with percentages: Exercise
Problems with percentages about profit, discount, increase and decrease.
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Cube: Unfolding
Development or unfolding of a cube based on various images.
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Polygon: Angles and sides
Find the adjacent and included angles or sides in a polygon.
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Sine, cosine and tangent in a right triangle: Exercise
Exercises on the sine, cosine and tangent in a right triangle.
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Where do you see a daddy? *
Click on the photo where you see a dad.
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What do you buy in the fruit and vegetable store? *
Indicate what you can buy in the fruit and vegetable shop.
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What do you buy at the bakery? *
Indicate what you can buy at the bakery.
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What do you buy at the butcher? *
Indicate what you can buy at the butcher.
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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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