7EE1 update

advertisement
7.EE.1
World of Algebra
Do Now (10 minutes)
Order of Operation (Show your work)
1. Solve (14+5) x 8-11
Word Problem of the Day
2. At noon on Monday in Minneapolis,
the temperature, in degrees Fahrenheit
(F), was –4º F. At noon on Tuesday,
the temperature was 6 degrees higher.
What was the temperature at noon on
Tuesday?
a)
b)
c)
d)
2º F
–2ºF
10ºF
–10ºF
Order of Operation
(14+5) x 8 -11
19 x 8 -11
19 x -3
-57
Word Problem of the Day
At noon on Monday in Minneapolis,
the temperature, in degrees
Fahrenheit (F), was –4º F. At noon on
Tuesday, the temperature was 6
degrees higher. What was the
temperature at noon on Tuesday?
Combine Like Terms
3.
4z
Put these terms into groups
2x 3z 2y 2y2 x2 3z2
x 2y3 5y 2x2 5x 6z
z
x
y
x2
Nonexam
ple
4z,
3z,
6z
2x,
x,
5x
2y,
5y
x2,
2x2
2y2,
3z2
2y3
Agenda
• 15 mins -Do Now
• 5 mins - Review Class Procedures/Rules
• 7 mins Why Algebra?
• 15 mins “I Can Statements” – Where I am
Today?
• 20 min (rotation) Stations
 Station 1
• Vocabulary Development
 Station 2
• Combining Like Terms
Moving into Algebra
• What are we learning?
• Use the Distributive Property to expand and factor
linear expressions with rational numbers.
• Combine like terms with rational coefficients.
• Why are we learning it? (Day 1 Reason)
• Algebra –Marine Biology
Station Procedures
Working Agreement:
While in Stations I will
•Remain on-task
•Talk at a
respectful level of
both groups when
asked to speak
•Give my best
effort
•Follow procedures
(cleaning up, timing
constraints,
directions)
Station 1
Vocabulary Development
a)
b)
c)
d)
e)
f)
Equation
Factor
Coefficient
Constant
Variable
inverse
Vocabulary Word
Sound it out (How
would you spell it?)
Definition
(Make it Your Own)
Student Friendly
expression
X-spre-shun
math
sentences with
symbols and
numbers
without a equal
sign
Use these sites if
you need help
•Mathisfun
•Mathwords
•Math.com
Example
x+5y
Non-example
Create a sentence
using the word.
(for at least 3)
X+5y=26 I know how
to translate
expressions
from verbal
to numerical
form.
Station 2: Combining Like Terms:
Evaluate these problems.
Copy the problem and describe what is occurring to simplify the expression.
3z + 2x + 5z – 3z2
2x + 3x2 – 5 + 4x – x2
3(6y – y) + 2y
3z + 5z+ 2x- 3z2
8z + 2x -3z2
2x + 4x -3x2 +x2 – 5
6x - 3x2 + x2 – 5
6x - 2x2 - 5
18y – 3y + 2y
15y + 2y
17y
On Your Own:
2a + 4b + 5a – 3c2
3x + 2x2 – 7 + 6x – x2
2r2 – 3s + 2r2 – 2s
2x – 3y2 + 2x – z3
3(2m – m) – 8m + 5m
y(y + 5) + 3y2 – 9 + 4y
Download