<< Chapter < Page Chapter >> Page >

15 9

fifteen minus nine; the difference of fifteen and nine

Got questions? Get instant answers now!

42 35

forty-two minus thirty-five; the difference of forty-two and thirty-five

Got questions? Get instant answers now!

675 350

hundred seventy-five minus three hundred fifty; the difference of six hundred seventy-five and three hundred fifty

Got questions? Get instant answers now!

Model Subtraction of Whole Numbers

In the following exercises, model the subtraction.

Subtract Whole Numbers

In the following exercises, subtract and then check by adding.

Translate Word Phrases to Algebraic Expressions

In the following exercises, translate and simplify.

The difference of 10 and 3

10 − 3; 7

Got questions? Get instant answers now!

The difference of 12 and 8

Got questions? Get instant answers now!

The difference of 15 and 4

15 − 4; 11

Got questions? Get instant answers now!

The difference of 18 and 7

Got questions? Get instant answers now!

Subtract 6 from 9

9 − 6; 3

Got questions? Get instant answers now!

Subtract 28 from 75

75 − 28; 47

Got questions? Get instant answers now!

45 decreased by 20

45 − 20; 25

Got questions? Get instant answers now!

92 decreased by 67

92 − 67; 25

Got questions? Get instant answers now!

12 less than 16

16 − 12; 4

Got questions? Get instant answers now!

38 less than 61

61 − 38; 23

Got questions? Get instant answers now!

Mixed Practice

In the following exercises, simplify.

In the following exercises, translate and simplify.

Seventy more than thirty-five

75 + 35; 110

Got questions? Get instant answers now!

Sixty more than ninety-three

Got questions? Get instant answers now!

13 less than 41

41 − 13; 28

Got questions? Get instant answers now!

The difference of 100 and 76

100 − 76; 24

Got questions? Get instant answers now!

The difference of 1,000 and 945

Got questions? Get instant answers now!

Subtract Whole Numbers in Applications

In the following exercises, solve.

Temperature The high temperature on June 2 in Las Vegas was 80 degrees and the low temperature was 63 degrees. What was the difference between the high and low temperatures?

The difference between the high and low temperature was 17 degrees

Got questions? Get instant answers now!

Temperature The high temperature on June 1 in Phoenix was 97 degrees and the low was 73 degrees. What was the difference between the high and low temperatures?

Got questions? Get instant answers now!

Class size Olivia’s third grade class has 35 children. Last year, her second grade class had 22 children. What is the difference between the number of children in Olivia’s third grade class and her second grade class?

The difference between the third grade and second grade was 13 children.

Got questions? Get instant answers now!

Class size There are 82 students in the school band and 46 in the school orchestra. What is the difference between the number of students in the band and the orchestra?

Got questions? Get instant answers now!

Shopping A mountain bike is on sale for $399 . Its regular price is $650 . What is the difference between the regular price and the sale price?

The difference between the regular price and sale price is $251.

Got questions? Get instant answers now!

Shopping A mattress set is on sale for $755 . Its regular price is $1,600 . What is the difference between the regular price and the sale price?

Got questions? Get instant answers now!

Savings John wants to buy a laptop that costs $840 . He has $685 in his savings account. How much more does he need to save in order to buy the laptop?

John needs to save $155 more.

Got questions? Get instant answers now!

Banking Mason had $1,125 in his checking account. He spent $892 . How much money does he have left?

Got questions? Get instant answers now!

Everyday math

Road trip Noah was driving from Philadelphia to Cincinnati, a distance of 5 0 2 miles. He drove 115 miles, stopped for gas, and then drove another 23 0 miles before lunch. How many more miles did he have to travel?

157 miles

Got questions? Get instant answers now!

Test Scores Sara needs 35 0 points to pass her course. She scored 75 , 50 , 70 , and 80 on her first four tests. How many more points does Sara need to pass the course?

Got questions? Get instant answers now!

Writing exercises

Explain how subtraction and addition are related.

Answers may vary.

Got questions? Get instant answers now!

How does knowing addition facts help you to subtract numbers?

Got questions? Get instant answers now!

Self check

After completing the exercises, use this checklist to evaluate your mastery of the objectives of this section.

.

What does this checklist tell you about your mastery of this section? What steps will you take to improve?

Questions & Answers

what is biology
Hajah Reply
the study of living organisms and their interactions with one another and their environments
AI-Robot
what is biology
Victoria Reply
HOW CAN MAN ORGAN FUNCTION
Alfred Reply
the diagram of the digestive system
Assiatu Reply
allimentary cannel
Ogenrwot
How does twins formed
William Reply
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
what is genetics
Josephine Reply
Genetics is the study of heredity
Misack
how does twins formed?
Misack
What is manual
Hassan Reply
discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
Joseph Reply
what is biology
Yousuf Reply
the study of living organisms and their interactions with one another and their environment.
Wine
discuss the biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles in an essay form
Joseph Reply
what is the blood cells
Shaker Reply
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
Abdullahi Reply
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
Abdullahi
cell theory state that every organisms composed of one or more cell,cell is the basic unit of life
Abdullahi
is like gone fail us
DENG
cells is the basic structure and functions of all living things
Ramadan
What is classification
ISCONT Reply
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
Kenna Reply
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
cell is the building block of life.
Condoleezza Reply
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply
Practice Key Terms 1

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Prealgebra. OpenStax CNX. Jul 15, 2016 Download for free at http://legacy.cnx.org/content/col11756/1.9
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Prealgebra' conversation and receive update notifications?

Ask