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McGraw-Hill Math Grade 3 Answer Key Chapter 12 Lesson 5 Using a Fraction to Describe Equal Parts of a Shape
Identify
What fraction of the total area is blue? Write the fraction.
Question 1.
Answer:
\(\frac{1}{3}\)
Question 2.
Answer:
\(\frac{1}{6}\)
Explanation:
There are 6 equal parts in the whole
1 part of the whole is shaded
So, the fraction that represents the shaded part is \(\frac{1}{6}\).
Question 3.
Answer:
\(\frac{5}{8}\)
Explanation:
There are 8 equal parts in the whole
6 parts of the whole are shaded
So, the fraction that represents the shaded part is \(\frac{5}{8}\).
Question 4.
Answer:
\(\frac{1}{2}\)
Explanation:
There are 2 equal parts in the whole
1 part of the whole is shaded
So, the fraction that represents the shaded part is \(\frac{1}{2}\).
Question 5.
The picture shows a tray in Mrs. Dixon’s jewelry box. The orange parts are for bracelets. The red parts for rings. The yellow parts are for necklaces. What fraction of the total area of the tray is for rings? How do you know?
Answer:
\(\frac{1}{8}\)
Explanation:
The picture shows a tray in Mrs. Dixon’s jewelry box
There are 4 orange parts, 3 yellow parts and 1 red part
The orange parts are for bracelets, the red parts for rings and the yellow parts are for necklaces
There are 8 parts in the whole
There is 1 red part that is 1 part for rings
So, the fraction that represents rings is \(\frac{1}{8}\).