Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys
Chapter 3: Rational Numbers; Lesson 2: Adding Rational Numbers


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  • Question 28 (request help)

    The basketball coach made up a game to play where each player takes 10 shots at the basket. For every basket made, the player gains 10 points. For every basket missed, the player loses 15 points.

    a. The player with the highest score sank 7 baskets and missed 3. What was the highest score?
  •    points
  • Question 28 (request help)

    b. The player with the lowest score sank 2 baskets and missed 8. What was the lowest score?
  •    points
  • Question 28 (request help)

    c. Write an expression using addition to find out what the score would be if a player sank 5 baskets and missed 5 baskets.
  • Type below:

H.O.T

FOCUS ON HIGHER ORDER THINKING

  • Question 29 (request help)

    Communicate Mathematical Ideas

    Explain the different ways it is possible to add two rational numbers and get a negative number.
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  • Question 30 (request help)

    Explain the Error

    A student evaluated -4 + x for x = -9\(\frac{1}{2}\) and got an answer of 5\(\frac{1}{2}\). What might the student have done wrong?
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  • Question 31 (request help)

    Draw Conclusions

    Can you find the sum [5.5 + (-2.3)] + (-5.5 + 2.3) without performing any additions?
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