Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 4: Rational Numbers; Lesson 5: Add and Subtract Mixed Numbers


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  • Question 31 (request help)

    The distance from home plate to the pitcher’s mound is 60 feet 6 inches and from home plate to second base is 127 feet \(3\frac{3}{8}\) inches. Find the distance from the pitcher’s mound to second base.
    • \(\large68 \text{ ft } 3\frac{1}{4} \text{ in } \)
    • \(\large67 \text{ ft } 8\frac{3}{4} \text{ in }\)
    • \(\large67 \text{ ft } 2\frac{5}{8} \text{ in }\)
    • \(\large66 \text{ ft }9\frac{3}{8} \text{ in }\)
  • Question 32 (request help)

    A recipe for party mix calls for \(4\frac{3}{4}\) cups of cereal. The amount of peanuts needed is \(1\frac{2}{3}\) cups less than the amount of cereal needed. How many cups of peanuts and cereal are needed?
    • \(\large 3\frac{1}{12}\text{cups}\)
    • \(\large 6\frac{1}{2}\text{cups}\)
    • \(\large 7\frac{5}{6}\text{cups}\)
    • \(\large 8\frac{1}{2}\text{cups}\)

Spiral Review

Round each mixed number to its nearest whole number. Then estimate each product.

  • Question 33 (request help)
  • \(5\frac{1}{4}\times7\frac{2}{3}\approx\)    \(\times\)
    		   \(\approx\)
    		   
  • Question 34 (request help)
  • \(1\frac{1}{11}\times8\frac{14}{15}\approx\)   \(\times\)
    		   \(\approx\)
    		   
  • Question 35 (request help)
  • \(4\frac{3}{4}\times11\frac{2}{9}\approx\)    \(\times\)
    		   \(\approx\)
    		   
  • Question 36 (request help)
  • \(\frac{1}{20}\times\frac{19}{20}\approx\)    \(\times\)
    		   \(\approx\)
    		   
  • Question 37 (request help)

    Zoe’s average running speed is about \(6\frac{4}{5}\)miles per hour. Suppose Zoe runs for \(1\frac{3}{4}\) hours. About how far will she have run? Explain.
  •    miles
  • Question 38 (request help)

    Sam ate about \(3\frac{5}{6}\) slices of pizza. There were 12 slices of pizza in the box. About how many slices are left?
  •    

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