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Laabri

Study Guide Unit 1A: Adding & Subtracting Rational Numbers

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1.

Match the following scenarios with their outcomes.

  • Charli has a balance in her bank account of $10. She also owes her friend Wren $10.

  • Michael found 3 Easter eggs. Each egg had 1 piece of candy. He gave each of his three friends an egg.

  • Isabella deposited $8 in her savings account and then withdrew $7 from the account.

  • Ms. Dolinski lost $1 in the parking lot.

  • 1

  • 0

  • -1

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2.
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4.
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5.

Ms. Dolinski owes Ms. Cooper $10, and Ms. Cooper owes Ms. Dolinski $15. Select ALL the statements that are true with regards to this scenario!

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6.
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7.

Write an expression that models the difference between the highest and the lowest elevation listed in the table?

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8.

The price of gas was $3.46 per gallon on Monday. Tuesday the price of gas dropped $0.15, Wednesday the price of gas decreased $0.75. On Thursday the price of gas was raised $0.20. What is the current price of gas on Friday?

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9.
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10.

Point A is located at -3.25 and Point B is located at 1.25.

Point C is located on the right side of Point B. If Point C is the same distance as Point A is from Point B, what is Point C? *Hint: Find the distance of point A to point B first

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11.

Rosalie is trying to match the following expressions with the correct property it's displaying! (Remember, you aren't solving, just helping her match! There are two expressions for each property)

  • Commutative Property

  • Associative Property

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13.
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14.

Use the expression to answer the following question.

Applying the properties of operations, what is the value of the expression?