5th grade
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Kite
A kite is a trapezoid that has two adjacent equal sides. A kite is completely determined if the lengths of its unequal sides and the angle between them are known. […]
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Rounding to the nearest integer
How to solve a problem in which rounding to the nearest integer should be performed? As soon as we need to round numbers to the nearest whole number, the number […]
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Quadrilateral without parallel sides
What is that quadrilateral that has no parallel sides? A quadrilateral without parallel sides may or may not have two or three equal sides. Perimeter The formula for calculating the […]
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Parallelogram
A parallelogram is any quadrilateral that has two pairs of parallel sides. Types of Parallelogram There are four different types of parallelograms. According to the length of the sides and […]
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Trapezoid and types of trapezoids
A trapezoid is a quadrilateral that has one pair of parallel sides. The only sufficient condition for a quadrilateral to be a trapezoid is that it has only one pair […]
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How To Convert Mixed Number To Fraction
This page will help you learn how to convert mixed number to an improper fraction (a fraction where the numerator is greater than the denominator). There is a formula on […]
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Rhomboid
A rhomboid is a quadrilateral that has: A rhomboid differs from a rhombus due to the length of its sides, while it differs from a rectangle due to the size […]
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How to simplify fractions before multiplying
How can you learn how to simplify fractions before multiplying them? On this page you will see how to simplify fractions before multiplying them, thus avoiding the procedure of simplifying […]
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Rectangle
A rectangle is a quadrilateral that has: The perimeter The formula for calculating the perimeter for this 2D shape is: The same formula written using multiples in a shorter form […]
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Dividing a whole number by a decimal number
When dividing by numbers, dividing a whole number by a decimal number is usually the most problematic! Here you can see examples of dividing a whole number by a decimal […]
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Square
A square is a quadrilateral that has: According to its characteristics, this geometric figure in 2D is different from all other geometric figures. It is easiest to mistake this figure […]
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How to calculate a percentage
This guide will help you learn how to calculate a percentage of any number! Below this page, you can learn two different methods of calculating a percentage of a number. […]
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Simplifying Fractions
Which method should be used for simplifying fractions to their simplest form? Below, you have a rule for simplifying fractions and two different approaches to simplifying (shortening). Rule for simplifying […]
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Prime factor decomposition
Prime factor decomposition is a procedure in which a certain complex number is represented as a product of factors that are prime numbers! As a reminder: Data for prime factor […]