1. Graphing Inequalities
L.O.
All pupils can manipulate inequalities to show their values on a number line
All pupils can represent linear inequalities with one variable on a Cartesian plane
Most pupils can represent linear inequalities with two variables on a Cartesian plane
Key Words

2. Why might we use inequalities in everyday life?
Starter:
Why might we use inequalities in everyday life?

3. Graphing Inequalities
L.O.
All pupils can manipulate inequalities to show their values on a number line
All pupils can represent linear inequalities with one variable on a Cartesian plane
Most pupils can represent linear inequalities with two variables on a Cartesian plane
Key Words

4. Main 1: Volunteer to write some questions on the board.
manipulate inequalities to show their values on a number line
Volunteer to write some questions on the board.
Your classmates will have to solve them.

5. Write the solutions on your mini wipeboards.
Main 1:
manipulate inequalities to show their values on a number line
Write the solutions on your mini wipeboards.

6. Graphing Inequalities
L.O.
All pupils can manipulate inequalities to show their values on a number line
All pupils can represent linear inequalities with one variable on a Cartesian plane
Most pupils can represent linear inequalities with two variables on a Cartesian plane
Key Words

7. linear inequalities with one variable on a Cartesian plane
Main 2:
linear inequalities with one variable on a Cartesian plane
Write some questions fitting the description:
Find the set of solutions by showing graphically on a Cartesian plane these linear inequalities with one variable.

8. linear inequalities with one variable on a Cartesian plane
Main 2:
linear inequalities with one variable on a Cartesian plane
What are these graphs displaying?
Ext. Write a question with the graph as the solution for each of the graphs

9. Graphing Inequalities
L.O.
All pupils can manipulate inequalities to show their values on a number line
All pupils can represent linear inequalities with one variable on a Cartesian plane
Most pupils can represent linear inequalities with two variables on a Cartesian plane
Key Words

10. linear inequalities with two variables on a Cartesian plane
Main 3:
linear inequalities with two variables on a Cartesian plane
What are the two variables usually associated with the Cartesian plane?
What is the usual general form of an equation of a line with two variables?

11. linear inequalities with two variables on a Cartesian plane
Main 3:
linear inequalities with two variables on a Cartesian plane
Write this inequality so it looks like the general form of a linear equation.
3x – y > 12

12. linear inequalities with two variables on a Cartesian plane
Main 3:
linear inequalities with two variables on a Cartesian plane
How could you plot it?
3x – 12 > y OR y < 3x - 12

13. linear inequalities with two variables on a Cartesian plane
Main 3:
linear inequalities with two variables on a Cartesian plane
y < 3x - 12 x -2 2 4 y
-18
-12 -6

14. linear inequalities with two variables on a Cartesian plane
Main 3:
linear inequalities with two variables on a Cartesian plane
y < 3x - 12 x -2 2 4 y
-18
-12 -6

15. linear inequalities with two variables on a Cartesian plane
Main 3:
linear inequalities with two variables on a Cartesian plane
y < 3x - 12 x -2 2 4 y
-18
-12 -6

16. Shade each of the described regions on the board
Main 3:
linear inequalities with two variables on a Cartesian plane
Shade each of the described regions on the board

17. Graphing Inequalities
L.O.
All pupils can manipulate inequalities to show their values on a number line
All pupils can represent linear inequalities with one variable on a Cartesian plane
Most pupils can represent linear inequalities with two variables on a Cartesian plane
WWW?
EBI?