Mod 4 lesson 15
Transcript of Mod 4 lesson 15
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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March 25, 2015
Jan 294:20 PM
Problem Set Lesson 13 Answers
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Mar 236:25 PM
Set B
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Mar 236:26 PM
Set B
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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MODULE 4 Expressions and EquationsTopic E: Expressing Operations in Algebraic FormLesson 15: Read Expressions in Which Letters
Stand for NumbersStudent Outcomes § Students read expressions in which letters stand for numbers. They assign operation terms to operations when reading.
§ Students identify parts of an algebraic expression using mathematical terms for all operations.
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Classwork Opening ExerciseComplete the graphic organizer with mathematical words that indicate each operation. Some words may not indicate only one operation.
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Example 1Write an expression using words.a. a‐b
b. xy
c. 4f + u
a minus b the difference of a and b
a decreased by b b subtracted from a
u added to the product of 4 and f
4 times f plus u
the sum of 4 multiplied by f and u
the product of x and y
x multiplied by y
x times y
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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d. d – b3
e. 5(u‐10) + h
d minus b cubed
the difference of d and the quantity b to the third power.
add h to the product of 5 and the difference of u and 10
5 times the quantity of u minus 10 added to h
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Mar 3112:12 PM
f.
Why is 3 divided by d plus f not a correct answer?
find the quotient of 3 and the sum of d and f
3 divided by the quantity d plus f
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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ExercisesCircle all the vocabulary words that could be used to describe the given expression.
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Write an expression using vocabulary to represent each given expression.
5. 8 – 2g
6. 15 (a + c)
7.
8 minus the product of 2 and g
2 times g subtracted from 8
8 decreased by g doubled.
15 times the quantity of a increased by c
the product of 15 and the sum of a and c
15 multiplied by the total of a and c.
the sum of m and n divided by 5
the quotient of the total of m and n
m plus n split into 5 equal groups.
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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March 25, 2015
Mar 305:03 PM
8. b3 – 18
9.
10.
b cubed minus 18
b to the third power decreased by 18.
f minus the quotient of d and 2
d split into 2 groups then subtracted from f
d divided by 2 less than f
u divided by x
the quotient of u and x
u divided into x parts
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Closing
Please take out your exit ticket for Lesson 15, close your binder, and complete the exit ticket. This will be collected.
Peter says the expression 11 – 3c is three times c decreased by 11. Is he correct? Why or why not?
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Module 4 Lesson 15 2015 Read Expressions in Which Letters Stand for Numbers.notebook
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Mar 36:04 PM