Into Math Grade 6 Module 7 Review Answer Key

We included HMH Into Math Grade 6 Answer Key PDF Module 7 Review to make students experts in learning maths.

HMH Into Math Grade 6 Module 7 Review Answer Key

Vocabulary

Complete the statements to review your vocabulary for this module.

Question 1.
____ is a ratio that compares a part to a whole of ____.
Answer:
Percent,100,

Explanation:
Percent is a ratio that compares a part to a whole of 100.

Question 2.
Percents can be written as ___ to the hundredths or as fractions using ____ as the denominator.
Answer:
decimals,100,

Explanation:
Percents can be written as decimals to the hundredths or
as fractions using 100 as the denominator.

Concepts and Skills

Question 3.
What percent of the 10-by-10 grid is shaded? ______

Answer:
25% of the squares are shaded,

Explanation:
25 out of 100 sqaures are shaded,
so 25 percent of the 10-by-10 grid is shaded.

Question 4.
Shade 80% of the grid.

Answer:

Explanation:
80 out of 100 are shaded,
So 80% of the gird is shaded with green.

Question 5.
Use Tools In a vaulting contest during gymnastics camp,
Kylie made 75% of her 12 attempts. How many successful
vaults did she make? State what strategy and tool you will
use to answer the question, explain your choice, and then
find the answer.
Answer:
Division,
9 attempts,

Explanation:
Given in a vaulting contest during gymnastics camp,
Kylie made 75% of her 12 attempts. Number of successful
vaults did she make are strategy and tool I will
use to answer the question is division as in 12 attempts
she had 75% of success so to calculate I will be using
division as \(\frac{75}{100}\) X 12 =  9,
therefore 9 successful attempts.

Question 6.
Write the ratio 7 to 8 as a fraction, decimal, and percent,
fraction: _____ decimal: _______ percent: ______
Answer:
Fraction : \(\frac{7}{8}\),
Decimal : 0.875,
Percent : 87.5%,

Explanation:
Given the ratio 7 to 8 as a fraction, decimal, and percent,
So fraction will be \(\frac{7}{8}\), Decimal is when
7 is divided by 8 we get 0.875 and percentage is calculated
with 100 so percent is 0.875 X 100 = 87.5%.

Question 7.
On a history test, Robert gets 23 questions correct out of 25. What is Robert’s percent score for the test? Show how you know.
________________
Answer:
92%,

Explanation:
Given on a history test, Robert gets 23 questions correct out of 25.
Therefore Robert’s percent score for the test is as we calculate
percentage for 100 so it is \(\frac{23}{25}\) X 100 =
23 X 4 = 92%,  therefore Robert’s percent score for the test is 92%.

Question 8.
Write the following ratios in order from least to greatest: 82%, \(\frac{16}{20}\), 35 out of 40.
________________
Answer:
\(\frac{16}{20}\), 82%, 35 out of 40,

Explanation:
Given to write the following ratios in order from least to greatest:
82%, \(\frac{16}{20}\), 35 out of 40, as
\(\frac{16}{20}\) = 0.8 and 35 out of 40 =
\(\frac{35}{40}\) X 100 = 87.5% therefore
the ratios in order from least to greatest:
\(\frac{16}{20}\), 82%, 35 out of 40.

Question 9.
A group of film students in college shot 420 short videos and 40% of the videos included background music. How many included background music?
____ videos included background music.
Answer:
168 videos included background music,

Explanation:
Given a group of film students in college shot 420 short videos and
40% of the videos included background music.
Number of included background music are
420 X \(\frac{40}{100}\) = \(\frac{420 X 40}{100}\)
168 videos.

Question 10.
At a birthday party, 20% of the guests wear glasses. If there are 30 guests, how many wear glasses?
A. 6 guests
B. 10 guests
C. 20 guests
D. 24 guests
Answer:
A. 6 guests,

Explaantion:
Given at a birthday party 20% of the guests wear glasses.
If there are 30 guests, Number of guests wear glasses are
30 X \(\frac{20}{100}\) = \(\frac{30 X 20}{100}\) =
6 guests matches with A.

Question 11.
In a school, 135 students out of 900 are in the 6^th grade. Out of every 100 students, how many students are 6^th grade students?
________________
Answer:
15 students,

Explanation:
Given in a school 135 students out of 900 are in the 6^th grade.
Out of every 100 students number of students are in
6^th grade students are 135 X \(\frac{100}{900}\) = 15 students.

Question 12.
Complete the percents in the double number line. Shade \(\frac{3}{8}\) of the double number line. What percent is equivalent to \(\frac{3}{8}\)?

Answer:

Explanation:
Completed the percents in the double number line.
Shaded \(\frac{3}{8}\) of the double number line.
The percent equivalent to \(\frac{3}{8}\) is
\(\frac{3}{8}\) X 100 = 37.5%.

Question 13.
In a survey, 36% of people at a movie theater said they preferred chocolate ice cream to other flavors. If 63 people at the theater preferred chocolate ice cream, how many people at the theater were surveyed?
Answer:
175 people,

Explanation:
Given in a survey, 36% of people at a movie theater said they
preferred chocolate ice cream to other flavors. If 63 people at
the theater preferred chocolate ice cream,
Let x be number of people at the theater were surveyed so
\(\frac{36}{100}\) X x = 63,
x = 63 X \(\frac{100}{36}\) = 175,
therefore 175 number of people at the theater were surveyed.