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Units and Fractions

Units and Fractions

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Conversions and Units

Math Angel video: Conversion chart for metric units of length with examples—millimetres, centimetres, metres, and kilometres explained clearly.
Grade 7

Converting and Calculating Units of Length

Metric units of length include km, m, cm, and mm. Learn to convert between them and master adding…
Math Angel video: Mass conversion chart with examples—10 mg pills, 500 g pasta, 5 kg rice, and 8 t crane—covering milligrams to tons.
Grade 7

Converting and Calculating Units of Mass

Metric units of mass include t, kg, g, and mg. Learn to convert between them and master adding and…
Math Angel video: Explains area using 25 unit squares (1 m² each) to calculate a total of 25 m², with a clear room diagram for visual understanding.
Grade 7

Units of Area

Area is the measure of space a surface covers, expressed in units of area like mm², cm², and m²…
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Fractions

Math Angel video: Explains fractions using a pizza divided into eight slices, illustrating one-eighth and three-eighths as visual fraction examples.
Grade 8

Introduction to Fractions

Fractions represent parts of a whole using a numerator (top) and a denominator (bottom). Learn to…
Math Angel video: Expanding fractions example—1/2 × 8 = 8/16, with visuals showing equivalent fractions 1/2, 2/4, 4/8, and 8/16.
Grade 8

Equivalent Fractions

Equivalent fractions have different forms but the same value—for example, 1/2 = 4/8 = 8/16. Learn…
Math Angel video: Explains adding fractions with the same denominator using pizza slices for a clear and visual math explanation.
Grade 8

Adding and Subtracting Fractions

Adding and subtracting fractions involves like and unlike denominators. Learn step-by-step how to…
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Ratios, Percentages, Proportions

Math Angel video: Illustration of ratios using 2 apples and 3 bananas—apples to bananas is 2:3, bananas to apples is 3:2, with clear examples.
Grade 8

Introduction to Ratios

A ratio compares two or more quantities to show their relative sizes. Learn how to calculate…
Math Angel video: Introduction to percentages with steps for converting percentages to fractions and real-life examples of using percentages in daily life.
Grade 8

Fractions and Percentages

A percentage is another way to show a fraction with 100 as the denominator. Percentages represent…
Math Angel video: Example of finding 30% of 200 using base value × percentage rate = percentage value, with result 60 clearly shown.
Grade 9

How to Find Percentage of a Number

To find a percentage of any number, multiply the base value by the percentage rate. Learn tricks and…
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Conversions and Units
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