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Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 1

This lesson contains 27 slides, with interactive quizzes and text slides. Lesson duration is: 75 min

## Items in this lesson

February 24th
t1
- Go to lessonup.app

#### Slide 1 -Slide

Schedule
• Announcements                                           5 min
• Review: square (roots)                              10 min
• Silent practice                                              15 min
• Extra example                                                5 min
• Practice +wrap-up                            10 + 10 min

#### Slide 2 -Slide

Announcements
Got It
Don't forget:
70%
in 2F
before Thursday before test week

#### Slide 3 -Slide

Announcements
Test ch.5
- Still checking!
- How did it go?
- Still people who have to catch up

#### Slide 4 -Slide

Last lesson's
Intended learning outcomes

At the end of the lesson you could...
• Calculate squares of numbers
• Calculate square roots of numbers
• Use BODMAS in calculations with squares & roots

a)52+32=
A
8
B
16
C
34
D
64

b)(6)242=
A
-56
B
-20
C
2
D
20

c)1215327+32=
A
-49
B
5
C
27
D
85

a)52+32=
b)(6)242=
c)1215327+32=

#### Slide 9 -Slide

Fill in three words (or sentences) related to formulas

#### Slide 10 -Mind map

This lesson's
Intended learning outcomes

At the end of the lesson you can...
• Explain the difference between a linear and a quadratic formula
• Calculate values in quadratic formula
• Find quadratic formulas in stories

#### Slide 11 -Slide

'Linear' formulas
Cost = 4 ⋅ number of kilometres + 3

#### Slide 12 -Slide

'Linear' formulas

C=4k+3

#### Slide 13 -Slide

'Linear' formulas

y=4x+3

----------------

y=4x+3
y=21x2
2

----------------

y=4x+3
y=21x2
2

#### Slide 16 -Slide

...but no one uses this in real life!
Agree
Disagree

#### Slide 18 -Slide

'Linear' formulas
Drag every formula to the correct side.
y = x- 3
N = 2k + 6
B = 5 - 3t
K = 7x + 62
A = 9 - 2h2

#### Slide 19 -Drag question

Given is the formula
What is y for x = 2?

What is y for x = -3?
y=21x22

#### Slide 20 -Slide

Given is the formula

What is y for x = 3 ?
y=2x21
A
5
B
7
C
19
D
17

#### Slide 21 -Quiz

Given is the formula

What is y for x = -4 ?
y=2x21
A
-31
B
-33
C
31
D
33

__________
y=2x21
x=3
x=4

#### Slide 23 -Slide

Silent practice (10 min)
No questions for 10 minutes! :(
Read carefully    -    study  green theory box    -    look in solutions
TRY SOMETHING!

Pick a route in
21-29

#### Slide 24 -Slide

Given is the formula

What is y for x = 4?
y=x26
A
2
B
10
C
96
D
-96

#### Slide 25 -Quiz

Given is the formula

What is y for x = 4?
y=2x2+1
A
-31
B
-15
C
17
D
33

#### Slide 26 -Quiz

Given is the formula

What is y for x = 4?
y=31x232
A
832
B
7
C
6
D
531