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Chapter 2

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Multiplication Factor times Factor equals Product F x F = P 10 x 0.03 =.30 Division is the opposite process and can be used to check your answer (product) 30 / 10 =.3

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Division Product divided by Factor equals Factor P / F = F Dividend divided by Divisor equals Quotient Dividend is any number that is to be divided. Divisor shows the size or groups into which the dividend is to be split. Quotient shows how many times the divisor is included in the dividend.

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Problems Multiplication _____ x 1 = 27 _____ x 5 = 30 _____ x 25 = 625 _____ x 8 = 5.88 Division 27 / 1 = _____ 30 / 5 = _____ 625 / 25 = _____ 5.88 / 8 = _____

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Rounding Using Up or Down Method Find an estimate of 23 x 48 = 1104 Round both down 20 x 40 = 800 Round both up 30 x 50 = 1500 Answer further from exact

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Rounding Using Rule of Five Find an estimate of 23 x 48 = 1104 Five or higher round up and four or lower round down 25 x 50 = 1250 Answer closer to exact

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Open Sentences 5 + 4 = 4 + N 18 – 9 = 4 + N 8 – 3 = N + 3 3 + N = 15 8 + 7 = N + 8 8 + N = 7 + 6 N + 6 = 9 - 2 3 + 9 = N - 2 9 – 6 = 7 - N 9 + 3 = 8 + N

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Finding Gross Pay Employee is a person who works for others. Employer is someone who employs workers. The amount of money that an employee is paid is called gross pay or gross wages.

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Types of Gross Pay Hourly-paid by the hours worked Salary-paid a set amount of money for a day, week, month, or year Commission-paid based on the amount that is sold or produced (piece-rate)

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Hourly Paul Hunt earns $5 an hour at his part- time job. Last week he worked 16 hours. What was his gross pay for the week? $5 x 16 = ______

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Salary Art Hall is a part-time computer operator. When he works, he is paid a salary of $76 a day by his employer. What is Art’s gross pay for 5 days of work? $76 x 5 = ______

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Commission Lu Ying works at the Randor Bike Shop and is paid $2.75 for each bike he assembles. During the five working days of one week, he assembled these numbers of bikes: 27, 33, 29, 27, 31. What was Lu’s gross pay that week? 27 + 33 + 29 + 27 + 31 = ______ $2.75 x ______ = ______

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Finding Average Pay An average is a single number used to represent a group of numbers. A simple average is found by adding several numbers and dividing the sum by the number of items added. Another name for simple average is the mean.

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Problems Jack earned $210 for 35 hours of work. What was his average pay per hour? $210 / 35 = $6 Double check your work $6 x 35 = $210

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Problems Continued The Wilmark Company has 8 employee. Five of the employees earn $9 an hour, two earn $7 an hour, and 1 earns $13 an hour. What is the average amount per hour that these employees are paid? (5 x $9) + (2 x $7) + (1 x $13) = 8 employees and a gross pay of $72 for an average of ($72 / 8) $9

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