Practice square roots (t2a)

Roots:
brackets 
& formulas




February 3rd, 2023
t2a
13:15
Log into the LessonUp with the code below!
1 / 36
volgende
Slide 1: Tekstslide
WiskundeMiddelbare schoolvwoLeerjaar 1

In deze les zitten 36 slides, met interactieve quizzen en tekstslides.

time-iconLesduur is: 60 min

Onderdelen in deze les

Roots:
brackets 
& formulas




February 3rd, 2023
t2a
13:15
Log into the LessonUp with the code below!

Slide 1 - Tekstslide

Schedule
  • Announcements                                             5 min
      Starting up
  • Review: Gooseboard                                   20 min
  • Square roots in brackets                           10 min
  • Practice                                                             15 min
  • Square root formulas                                 10 min
  • Tiny practice quiz                                        15 min

Slide 2 - Tekstslide

Announcements
  • Quiz square roots: 25%       MONDAY
  • Statistics Project: 75%         (term 4)

Slide 3 - Tekstslide

Announcements
  • Got It:
      60% (Thursday before test week)

Slide 4 - Tekstslide

Anonymous poll (be honest!):
Did you do all your homework for this lesson?
Yes
No

Slide 5 - Poll

1.    Simplify.
3575

Slide 6 - Tekstslide

2.    Simplify.
55+37

Slide 7 - Tekstslide

3.    Simplify.
3246

Slide 8 - Tekstslide

4.    Simplify.
50

Slide 9 - Tekstslide

5.    Simplify.
18

Slide 10 - Tekstslide

6.  Factorize both square roots, then simplify and add them together:
50+18

Slide 11 - Tekstslide

Review question 1:
Simplify.

3575
A
45
B
45
C
4
D
Cannot be simplified

Slide 12 - Quizvraag

Review question 2:
Simplify.


55+37
A
812
B
835
C
1512
D
Cannot be simplified

Slide 13 - Quizvraag

Review question 3:
Simplify.

3246
A
78
B
712
C
128
D
1212

Slide 14 - Quizvraag

Review question 4:
Factorize.

50
A
252
B
225
C
52
D
25

Slide 15 - Quizvraag

Review question 4:
Factorize.

18
A
92
B
29
C
23
D
32

Slide 16 - Quizvraag

Review question 5:
Factorize, then simplify. Write it down!

50+18
A
82
B
342
C
68
D
Cannot be simplified

Slide 17 - Quizvraag

Intended Learning Outcomes
At the end of the lesson you can...
  • Work out brackets with square roots in them
  • Draw the graph of a square root formula: 
  • Do calculations with square root formulas
y=x

Slide 18 - Tekstslide

Intended Learning Outcomes
At the end of the lesson you can...
  • Work out brackets with square roots in them
  • Draw the graph of a square root formula: 
  • Do calculations with square root formulas
y=x
Take notes!

Slide 19 - Tekstslide

Single brackets             Double brackets
Letters
Square roots
Letters
Square roots

Slide 20 - Tekstslide

Simplify.
2(35+4)
A
65+4
B
65+42
C
310+4
D
310+42

Slide 21 - Quizvraag

Simplify.
(3+2)(32)
A
1
B
1
C
34
D
32

Slide 22 - Quizvraag

Practice
~15 min, discuss 49ad afterwards

Basic route
48, 49                                            (brackets)
62, 63, 64, 66, 67                      (later: formulas)
Advanced route
49, 50, (51)                                   (brackets)
63, 64, 65, 66, 68                      (later: formulas)

Slide 23 - Tekstslide

Slide 24 - Tekstslide

What is the graph of a quadratic formula called again?
A
Linear graph
B
Hyperbola
C
Parabola
D
Curving graph

Slide 25 - Quizvraag

You know two things:
- The shape of the graph of a quadratic formula
- A square root is the 'opposite' of a square
With that in mind, describe what you think the
graph of the formula on the right would look like.
y=x

Slide 26 - Open vraag

You know two things:
- The shape of the graph of a quadratic formula
- A square root is the 'opposite' of a square
With that in mind, think about what the
graph of the formula above would look like.
y=x

Slide 27 - Tekstslide

Let's build the graph
y=x

Slide 28 - Tekstslide

www.geogebra.org/graphing

Slide 29 - Tekstslide

What will the graph of thís formula look like then?
y=x
A
A normal parabola again
B
A line
C
The same half sideways parabola, but going left instead of right
D
The same half sideways parabola, but going down instead of up

Slide 30 - Quizvraag

Think about...
...why the following statement is/isn't true:
  
is the same as
y=316x
y=48x

Slide 31 - Tekstslide

True or false?

is the same as
y=4+9x
y=4+3x
A
True
B
False

Slide 32 - Quizvraag

True or false?

is the same as
y=4+3x
y=7x
A
True
B
False

Slide 33 - Quizvraag

Practice...
...or practice quiz?

Basic route
48, 49                                            (brackets)
62, 63, 64, 66, 67                      (formulas)
Advanced route
49, 50, (51)                                   (brackets)
63, 64, 65, 66, 68                      (formulas)

Slide 34 - Tekstslide

Slide 35 - Tekstslide

Tiny practice quiz
  • Copy the exercises in your
      notebook and solve them
  • Discuss afterwards
  • Done early? Continue with:
(52)22(5)2
43+6753
2273+96
275+427
(7+8)2
a)
b)
c)
d)
e)

Slide 36 - Tekstslide