Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers

We included HMH Into Math Grade 4 Answer Key PDF Module 16 Multiply Fractions by Whole Numbers to make students experts in learning maths.

HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers

Which group ate the most pizza?

Write an addition equation with unit fractions that represents how much pizza is eaten in each situation. Then shade the fraction circles to show the amount of pizza eaten. All of the pizzas are the same size.
3 friends eat one slice each from a 6-slice pizza.
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 1
Answer:
\(\frac{3}{6}\)

Explanation:
When the unit fractions have like denominators,
we add the numerators and put the result over the common denominator to get the answer.
The whole is divided into 6 parts, out of which 3 parts were eaten.
\(\frac{3}{6}\) + \(\frac{3}{6}\) = \(\frac{6}{6}\) = 1 pizza.

3 friends eat one slice each from an 8-slice pizza.
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 2
Answer:
\(\frac{3}{8}\)

Explanation:
When the unit fractions have like denominators,
we add the numerators and put the result over the common denominator to get the answer.
The whole is divided into 8 parts, out of which 3 parts were eaten.
\(\frac{3}{8}\) + \(\frac{5}{8}\) = \(\frac{8}{8}\) = 1 pizza.

3 friends eat one slice each from a 10-slice pizza.
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 3
Answer:
\(\frac{3}{10}\)

Explanation:
When the unit fractions have like denominators,
we add the numerators and put the result over the common denominator to get the answer.
The whole is divided into 10 parts, out of which 3 parts were eaten.
\(\frac{3}{10}\) + \(\frac{7}{10}\) = \(\frac{10}{10}\) = 1 pizza.

Which group ate the most pizza?
Answer:
First group ate more.
Explanation:
In each group size of pizza is same, but the number of slices are different.
So, first group ate more as the pizza is divided into 6 parts only.

Turn and Talk

How can you find what fraction of the pizza is left in each situation?
Answer:
Subtract the slices of the pizza from the whole.
Explanation:
Each pizza is divided into 6, 8 and 10 parts.
Out of which 3 slices were eaten by each of them.
= \(\frac{3}{6}\)
= \(\frac{3}{8}\)
= \(\frac{3}{10}\)

Are You Ready?

Complete these problems to review prior concepts and skills you will need for this module.

Relate Addition to Multiplication

Draw equal groups. Find the sum. Then find the product.

Question 1.
2 groups of 3
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 4
3 + 3 = _________
2 × 3 = _________
Answer:

3 + 3 = 6
2 × 3 = 6
Explanation:
Multiplication is the repeated addition of one number.
So, when we multiply 2 by 3, we are adding 2 three times,
2 x 3 = 3 + 3 

Question 2.
3 groups of 4
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 5
4 + 4 + 4 = _________
3 × 4 = _________
Answer:

4 + 4 + 4 = 12
3 × 4 = 12
Explanation:
Multiplication is the repeated addition of one number.
So, when we multiply 3 by 4, we are adding 3 four times,
3 x 4 = 4 + 4 + 4

Read and Write Mixed Numbers

Write a fraction greater than 1 and a mixed number for the shaded parts.

Question 3.
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 6
Fraction: ________
Mixed number: _________
Answer:
\(\frac{5}{6}\)
1\(\frac{2}{3}\)
Explanation:
1\(\frac{2}{3}\) is greater than 1.
Question 4.
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 7
Fraction: ________
Mixed number: _________
Answer:
\(\frac{11}{12}\)
2\(\frac{3}{4}\)
Explanation:
2\(\frac{11}{12}\) is greater than 1.

Represent Fractions and Mixed Numbers

Question 5.
Mei has 3 boxes of color pencils. Each box has 6 pencils. She uses all the pencils in 2 of the boxes and 4 pencils in the other box. What mixed number names the number of boxes of pencils that Mei uses?
HMH Into Math Grade 4 Module 16 Answer Key Multiply Fractions by Whole Numbers 8
Answer:
\(\frac{16}{18}\)
2\(\frac{4}{6}\)
Explanation:
1 box = 1
Mei has 3 boxes of color pencils = 3
Each box has 6 pencils = 3 x 6 = 18
She uses all the pencils in 2 of the boxes and 4 pencils in the other box = 16
18 – 16 = 2
\(\frac{16}{18}\)
2\(\frac{4}{6}\)

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