How would life be different without math?

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How would life be different without math?
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Unit Questions

• Why is math important?
• What is the relationship between fractions and
  decimals?

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Working with Fractions and Decimals

• Danielle Malone

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Overview

• Terminology
• Adding and subtracting fractions
• Adding and subtracting decimals
• Converting fractions into decimals

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Terminology

• Fraction
• Numerator
• Denominator
• Simplify
• Decimal
• Conversion

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Guidelines for Adding and Subtracting Fractions

• If the denominator is the same
• If the denominator is different
• If you have a whole number and fraction
• Simplify

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Examples

• 3/106/109/10
• 6/10-3/103/10
• 1/42/33/128/1211/12
• 2/3-1/48/12-3/125/12

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Guidelines for Adding and Subtracting Decimals

• ALWAYS line up the decimals
• When adding
• When subtracting
• Rounding

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Examples

• 2.4 8.4
• 7.53 - 2.36
• 9.93 6.04
• Round 3.5 to the nearest whole number
• 3.54

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Conversion

• Changing fractions to decimals
• Changing decimals to percentages

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• Dont be afraid of math, especially decimals and
  fractions!!!!!