 # Fractions/Mixed Numbers/Decimals/Integers/Percentages    (Hint: Factor and “cancel”)  Invert divisor and multiply or simplify     Since the divisor has two decimal places, we must multiply the divisor and dividend by 100. Therefore, the problemreads  Since the divisor has one decimal place , we must multiply the divisor and dividend by 10. Therefore, the problem reads   11. Express as a decimal : Do NOT round unless indicated. 12. Express as a decimal :  Line up the decimal points    Percentage Problems

For percentage problems, the use of proportions is very efficient a =% (Because % means division by 100) b = part of the whole c = the whole being discussed   Integers/ Order of Operations  Multiply / Divide in order from left to right, then Add / Subtract in order from left to right Place Value and Rounding

Review the place value names

24. Round to the nearest ten: 126.457→ 130

25. Round to the nearest tenth: 126.456 → 126.5

26. Round to the nearest hundred: 279.712 → 300

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