# Lesson 1

Chapter 10 Equations
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Slide 1: Slide
WiskundeMiddelbare schoolhavoLeerjaar 1

This lesson contains 11 slides, with interactive quizzes and text slides.

Lesson duration is: 50 min

## Items in this lesson

Chapter 10 Equations

#### Slide 1 -Slide

Lessons CH10
approximately 7 lessons
3 groups:
green, blue and purple

B1A, B1V, B1W, B1Z with iPad
B1B, B1T, B1X, B1Y without iPad

4-test Friday 1st period during the Werenfridusweek

#### Slide 2 -Slide

Do you remember?
How do you make a formula for a linear graph?
1. Make a table for the graph with the values that are easy to read off.
2. Read off the value that corresponds to 0.
3. Calculate how much the graph rises or falls per horizontal step of 1.
4. If the graph is about time (t) and number (N), then the formula is written as:

N = .... x t + ....

Fill in the numbers you found in steps 2 and 3.

#### Slide 3 -Slide

What formula corresponds to the graph? (You can use the letter x as a multiplication sign)

#### Slide 4 -Open question

A formula with a graph
- Blue: Watch the movie "10.0 Formule bij grafiek" (2nd option extra material Refresh) and make exercises R2, R3
- Green, Purple: Make exercise R2, R3

-All: Check and correct your solutions

#### Slide 5 -Slide

Write the following formula as short as possible: time x 15 + 25 = amount

#### Slide 6 -Open question

Write the following formula as short as possible: 20 - time x 0.5 = height

#### Slide 7 -Open question

Shortening formulas
- Blue: Watch the movie "10.0 Formules korter schrijven" (4th option extra material Refresh) and make exercises R4 and R5
-Green: Make exercises R4 and R5
-Purple: Make exercis R5

#### Slide 8 -Slide

Plotting a graph
- All: Make exercises R6, R7, R8

#### Slide 9 -Slide

(Digital) homework 1
- Make the "taak" called "10.0 Formule bij grafiek". You can find this task by going to "naar extra lesmateriaal"

OR

- Make the worksheet

#### Slide 10 -Slide

(Digital) homework 2
- Make the "taak" called "10.0 Formules korter schrijven". You can find this task by going to "naar extra lesmateriaal"

OR

- Write the formulas on the worksheet as short as possible