Download Integers and absolute value

Use with Lesson 1
MAFS.7.RP.1.3
Find the simple interest earned to the nearest cent for
each principal, interest rate, and time.
1. $3,525, 4%, 5 years
2. $563, 2.5%, 3 years
Find the simple interest paid to the nearest cent for each loan, interest rate,
and time.
3. $6,350, 18%, 5 years
4. $345, 10%, 1 year
5. Travis opened a line of credit with a balance of $150 at a monthly interest rate
of 15.5%. What will his new balance be, after one month, if he does not make
a payment?
Course 2, Lesson 3-1
Mathematics Florida Standards – Mathematics, numbering and wording from www.cpalms.org.
Use with Lesson 1
MAFS.7.RP.1.3
ANSWERS
1. $705
2. $42.23
3. $5,715
4. $34.50
5. $173.25
Course 2, Lesson 3-1
Mathematics Florida Standards – Mathematics, numbering and wording from www.cpalms.org.
WHAT happens when you add,
subtract, multiply, and divide integers?
Course 2, Lesson 3-1
• Preparation for MAFS.7.NS.1.3
Solve real-world and mathematical problems involving the four
operations with rational numbers.
Mathematical Practices
MP1
MP3
Make sense of problems and persevere in solving them.
MP4
Model with mathematics.
MP5
Use appropriate tools strategically.
Construct viable arguments and critique the reasoning of others.
Course 2, Lesson 3-1
Mathematics Florida Standards – Mathematics, numbering and wording from www.cpalms.org.
To
• identify and graph integers
• find absolute value
Course 2, Lesson 3-1
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•
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Course 2, Lesson 3-1
integer
negative integer
positive integer
graph
absolute value
Words
Examples
Course 2, Lesson 3-1
The absolute value of a number is the distance between the
number and zero on a number line.
5  5
5  5
WHAT happens when you add,
subtract, multiply, and divide integers?
Course 2, Lesson 3-1
WHAT happens when you add,
subtract, multiply, and divide integers?
Sample answers:
• Integers can be used to represent real-world
situations.
• You can evaluate absolute value expressions involving
integers.
Course 2, Lesson 3-1
Describe a
real-world situation
that uses integers.
Course 2, Lesson 3-1