Decimals, Fractions & Percentages. Fractions Numbers that are a ratio of two numbers ½ = 1:2 a part of a whole.

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Presentation transcript:

Decimals, Fractions & Percentages

Fractions Numbers that are a ratio of two numbers ½ = 1:2 a part of a whole

Decimals Decimals are used for numbers between whole numbers pi = TENTHSHUNDRETHSTHOUSANDTHS

Decimal to Fraction Write: decimal/1 Multiply the numerator and denominator by 10 for every number after the decimal point Simplify (or reduce) the fraction

Decimal to Fraction

Fraction to Decimal Divide the numerator (top number) by the denominator (bottom number)

Fraction to Decimal

Percentages

Decimal to Percentage Move the decimal two places to the right OR Multiply the decimal by 100

Decimal to Percentage % 20%

Relationship Question: How are FRACTIONS, DECIMALS and PERCENTAGES related? Answer: They all represent parts of a whole

Online Activity Go to Search for: Representing a number as a decimal, percent and fraction Click on the second link View the video Click on “Practice this concept”