Practice the questions of McGraw Hill Math Grade 4 Answer Key PDF Chapter 7 Lesson 7 Problem Solving: Using Objects to secure good marks & knowledge in the exams.
McGraw-Hill Math Grade 4 Answer Key Chapter 7 Lesson 7 Problem Solving: Using Objects
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Question 1.
Mr. Wagner buys 18 pieces of fruit. \(\frac{1}{3}\) of the fruit are apples. \(\frac{2}{3}\) of the fruit are bananas. How many bananas are there?
Answer
12 bananas
Explanation:
= 18(\(\frac{2}{3}\))
= (\(\frac{18}{1}\))(\(\frac{2}{3}\))
= \(\frac{36}{3}\)
=12
Question 2.
Sandi has 12 books. \(\frac{2}{4}\) of them are fiction. \(\frac{1}{4}\) of them are history books. \(\frac{1}{4}\) of them are books about planes. How many history books does she have?
_______ history books
Answer:
3 history books
Explanation:
= 12(\(\frac{1}{4}\))
= (\(\frac{12}{1}\))(\(\frac{1}{4}\))
= \(\frac{12}{4}\)
=3
Question 3.
Hannah has 24 muffins. \(\frac{1}{3}\) are corn muffins. \(\frac{1}{3}\) are bran muffins. \(\frac{1}{3}\) are blueberry muffins. How many corn muffins does she have?
_______ corn muffins
Answer:
8 corn muffins
Explanation:
= 24(\(\frac{1}{3}\))
= (\(\frac{24}{1}\))(\(\frac{1}{3}\))
= \(\frac{24}{3}\)
=8