LEIS Unit Review (Lessons 1-13)

1. To support a local senior citizens center, a student club sent a flyer home to the students in the school. The flyer said, "Please bring in money to support the senior citizens center. Paper money and coins accepted!" Their goal is to raise dollars.

2. Match each quantity to an expression, an equation, or an inequality that describes it.

• 1. The dollar amount the club could donate if they made $50 more than their goal

• 1. The dollar amount the club would

     have if they reached half of their goal
     

• 1. The dollar amount the club would still need to raise to reach its goal after every student at the school donated 50 cents

• 1. The dollar amount the club would have if every student at the school donated 50 cents to the cause

• 1. The dollar amount the club would have if half of the students at the school each gave 50 cents

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A.CED.2

1. A student on the track team runs 45 minutes each day as a part of her training. She begins her workout by running at a constant rate of 8 miles per hour for a minutes, then slows to a constant rate of 7.5 miles per hour for b minutes.

2. Which equation describes the relationship between the distance she runs in miles, D, and her running speed, in miles per hour?

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A.CED.2

7. Elena has $225 in her bank account. She takes out $20 each week for x weeks. After x weeks she has y dollars left in her bank account.

   Write an equation that represents the amount of money left in her bank account after x weeks.

Mathematical Equivalence

ON

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A.CED.2

HSF.LE.A

• (0, 445)

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A.CED.3

• 30 children's tickets and 7 adult tickets were sold.

• 7 children's tickets and 30 adult tickets were sold.

• $30 in adult tickets and $7 in children's tickets was collected.

• They sold 7 tickets every 30 minutes.

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HSA.REI.A

HSA.REI.B

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8.EE.B

8.F.5

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6.EE.4

A.REI.1

Mathematical Equivalence

ON

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HSA.REI.A

Mathematical Equivalence

OFF

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HSA.REI.B

A.CED.4

• There is no equation given that allows us to easily find the height of the cylinder.

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A.CED.4