Writing Algebraic Expressions

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K-4

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Kathleen lost a tooth today. Now she has lost 4 more than her sister Cara. Which expression represents Kathleen's lost teeth? (C=Cara)

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C+4

Front

Kathleen lost a tooth today. Now she has lost 4 more than her sister Cara. If Cara lost 3 teeth, how many teeth has Kathleen lost?

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7

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Which expression represents Jenna's years of experience? (A=Allie) Options: A+5, A-5, A+4, A-4

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A+4

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When Allie has 20 years of experience on the job, how many years of experience will Jenna have on the job? Options: 15, 25, 16, 24

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24

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8.5H

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How much money will Anna earn for working 3 hours? Options: $24, $42.50, $25, $25.50

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$25.50

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Sarah is saving money to take a trip to Oregon. She received $450 in graduation gifts and saves $120 per week working. Which expression shows how much money Sarah has after working W weeks?

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120W + 450

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Corn plant height after 15 weeks: 2 + 3W (W=Weeks)

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47

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Naomi’s allowance is $2 per week. If she convinces her parents to double her allowance each week, which expression represents her allowance in W weeks?

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