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Welcome to Algebra. 9/6/11. Writing Algebraic Expressions From Words. Take a “2.2 Substituting Numbers for Variables” from the back table Study Example 1 and Example 2 (2 mins) Answer 1 – 24 on a separate sheet (13 mins). Announcements. Today is Tuesday: Homework 1.2 – due Tomorrow

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Welcome to Algebra


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welcome to algebra

Welcome to Algebra

9/6/11

Writing Algebraic Expressions From Words

Take a “2.2 Substituting Numbers for Variables” from the back table

Study Example 1 and Example 2 (2 mins)

Answer 1 – 24 on a separate sheet (13 mins)

announcements
Announcements
  • Today is Tuesday:
    • Homework 1.2 – due Tomorrow
    • Quiz 1.2 – Thursday
  • Grades
agenda
Agenda
  • 7:50 - Warm Up
  • 8:10 – Announcements
  • 8:15 – Check Warm Up
  • 8:20 – Writing Algebraic Expressions From Words
    • Notes (2.3) – 5 mins
    • Intro – 5 min
    • Guided Practice Mult Choice Game – 15 mins
    • Begin Homework – 10 mins
cheat sheet
Cheat Sheet!

together

add

subtract

minus, less

decreased by

combined

increased by

Left

Remains

added to

total of

less than, fewer than

difference

in all

more than

plus

sum

loss

Take away

divide

product of

per

area

out of

quotient

groups of

times

average

per

volume

split

percent

multiply

check for understanding
Check For Understanding

A

  • Each person on the team receives a piece of paper that they quickly make into 4cards, labeled A, B, C, and D
  • I am going to reveal a series of multiple choice questions

B

  • When you have your answer, place it face down on the front, right-hand corner of your desk

C

D

  • When time is called you must hold up the card that you chose
  • Then, we will discuss the choices
multi choice cards
Multi-Choice Cards

Translate to an algebraic expression:

A)

11 more than y

B)

C)

D)

multi choice cards1
Multi-Choice Cards

Translate to an algebraic expression:

A)

5 less than n

B)

C)

D)

multi choice cards2
Multi-Choice Cards

Translate to an algebraic expression:

A)

a number b divided by 8

B)

C)

D)

multi choice cards3
Multi-Choice Cards

Translate to an algebraic expression:

A)

the product of 3.3 and a number x

B)

C)

D)

multi choice cards4
Multi-Choice Cards

Translate to an algebraic expression:

A)

A number x fewer than 7

B)

C)

D)

multi choice cards5
Multi-Choice Cards

Translate to an algebraic expression:

A)

A number u cubed

B)

C)

D)

multi choice cards6
Multi-Choice Cards

Translate to an algebraic expression:

A)

One fourth of a number p

B)

C)

D)

multi choice cards7
Multi-Choice Cards

Translate to an algebraic expression:

A)

6 groups of a number d

B)

C)

D)

multi choice cards8
Multi-Choice Cards

Translate to an algebraic expression:

A)

a number w tripled plus t quadrupled

B)

C)

D)

multi choice cards9
Multi-Choice Cards

Translate to an algebraic expression:

A)

the product of 2 times a and 5 times b

B)

C)

D)

multi choice cards10
Multi-Choice Cards

Write an algebraic equation to model the relationship:

A)

The cost of beverages in a vending machine is shown:

B)

C)

c = Cost

D)

b = Beverage

multi choice cards11
Multi-Choice Cards

Write an algebraic equation to model the relationship:

A)

Leonardo gets paid to mow his neighbor’s lawn. He begins with $50, and for every week that he mows the lawn, he earns $20. Write a rule as an algebraic equation to model the relationship.

B)

C)

T = Total Money

D)

W = # of weeks mowed