1. Topic-
|
|
|
2. Content-
|
Equations is a statement that two expressions are equal.
When an equations has an unknown, we can solve for the unknown. |
| |
|
3. Goals: Aims/Outcomes-
|
Colorado Content Standards
Standard 6:
Students link concepts and procedures as they develop and use computational
techniques, including estimation, mental arithmetic, paper-and-pencil,
calculators, and
computers, in problem-solving situations and communicate the reasoning
used in
solving these problems.
|
| |
|
|
4. Objectives-
|
1. Students will learn how to work with equations.
2. Students will learn how to solve for the unknown number. |
| |
|
5. Materials and Aids-
|
|
|
6. Procedures/Methods-
|
|
A. Introduction-
Equation is a statement that two expressions are equal.
When an equation has an unknown, we can solve for the unknown.
Whatever we do to one side, we must do to the other side. |
| |
|
|
B. Development-
y + 5 = 12
The proper procedure in solving for y is to "isolate" y. This means
we want y to stand by itself on one side of the equal sign.
Now, keep in mind that we want every thing to "balance" on either
side of the equal sign. This means whatever I do to the left member,
I must do to the right member. So, to isolate y and solve the equation,
I must "move" the 5 to the other side of the equal sign. To do this,
I must make it zero on the left side of the equation by subtracting
5:
y + 5 = 12
y + 5 - 5 = 12 - 5
y + 0 = 12 - 5
y = 7
|
| |
|
|
C. Practice-
1.Have students complete problem on whiteboard and show work.
n + 3 = 9
n + 3 - 3 = 9 - 3 (what I do on one side of the = I do the same on
the other side)
n = 6
check
6 + 3 = 9 |
| |
|
|
D. Independent Practice-
complete workbook pages 95 & 96
|
| |
|
|
E. Accommodations (Differentiated Instruction)-
| Have students complete even number of problems. |
| |
|
|
F. Checking for understanding-
| Have students complete self-rating scale. |
| |
|