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