All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 7 Lesson 4 Multiplying a Whole Number by a Fraction are as per the latest syllabus guidelines.
McGraw-Hill Math Grade 5 Answer Key Chapter 7 Lesson 4 Multiplying a Whole Number by a Fraction
Solve
Find the product. Use any model you like.
Question 1.
4 × \(\frac{1}{8}\) _______________
Answer:
\(\frac{4}{8}\) = \(\frac{1}{2}\)
Question 2.
6 × \(\frac{1}{2}\) _______________
Answer:
3
Explanation:
6 × (1/2) = (6/2) =3
Question 3.
12 × \(\frac{1}{2}\) _______________
Answer:
6
Explanation:
12 × (1/2) = (12/2) =6
Question 4.
9 × \(\frac{1}{3}\) _______________
Answer:
3
Explanation:
9 × (1/3) = (9/3) =3
Question 5.
5 × \(\frac{1}{10}\) _______________
Answer:
(1/2)
Explanation:
5 × (1/10) = (5/10) = (1/2)
Question 6.
3 × \(\frac{1}{3}\) _______________
Answer:
1
Explanation:
3 × (1/3) = (3/3) = 1
Question 7.
24 × \(\frac{1}{3}\) _______________
Answer:
8
Explanation:
24 × (1/3) = (24/3) = 8
Question 8.
32 × \(\frac{1}{4}\) _______________
Answer:
8
Explanation:
32 × (1/4) = (32/4) =8
Question 9.
45 × \(\frac{1}{9}\) _______________
Answer:
5
Explanation:
45 × (1/9) = (45/9) =5
Multiply
Question 10.
12 × \(\frac{2}{3}\) _______________
Answer:
8
Explanation:
12 × (2/3) = 4 × 2 = 8
Question 11.
15 × \(\frac{3}{5}\) _______________
Answer:
9
Explanation:
15 × (3/5)= 3 × 3 = 9
Question 12.
8 × \(\frac{3}{4}\) _______________
Answer:
6
Explanation:
8 × (3/4) = 2 × 3 =6
Question 13.
21 × \(\frac{2}{7}\) _______________
Answer:
6
Explanation:
21 × (2/7) = 3 × 2 = 6
Question 14.
6 × \(\frac{2}{3}\) _______________
Answer:
4
Explanation:
6 × (2/3) = 2 × 2 = 4
Question 15.
39 × \(\frac{2}{3}\) _______________
Answer:
26
Explanation:
39 × (2/3) = 13 × 2 = 26
Question 16.
24 × \(\frac{3}{8}\) _______________
Answer:
9
Explanation:
24 × (3/8) = 3× 3 = 9
Question 17.
30 × \(\frac{3}{5}\) _______________
Answer:
18
Explanation:
30 × (3/5) = 6 × 3 = 18
Question 18.
\(\frac{3}{11}\) × 44 _______________
Answer:
12
Explanation:
(3/11) × 44 = 3 × 4 = 12
Solve.
Question 19.
Maynard’s Mustard prepares 14 bottles of mustard for the farmer’s market. They also prepare \(\frac{3}{7}\) as much ketchup as mustard. How many bottles of ketchup do they prepare?
Answer:
6
Explanation:
Number of mustard bottles= 14
Number of ketchup bottles = (3/7)th of the mustard bottles
= (3/7) × 14
= 3 × 2
=6
Question 20.
Lydia made calzones for the market. She started with 5 cans of tomato sauce. She used \(\frac{2}{5}\) of the cans for the first batch of calzones. How many cans of tomato sauce did she use?
Answer:
2
Explanation:
Number of cans of tomato sauce = 5
Number of cans she used = (2/5) of the cans
= (2/5) × 5
=2
Question 21.
From start to finish, the bakers at Bountiful Bread spend 10 hours making bread. They spend \(\frac{5}{6}\) of the time waiting for the bread to rise. How much time do they wait for the bread to rise?
Answer:
8.3 hours
Explanation:
Hours to make bread = 10
Waiting time for the bread to rise = (5/6)th of the hours to make bread
= (5/6) × 10
= (5/3)× 5
= (25/3)
= 8.3 hours