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4E Roots
Good morning!
Schedule:
Learning goals
What did we do last time
Roots
Worksheets
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Slide 1:
Diapositive
Wiskunde
Middelbare school
vwo
Leerjaar 1
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Good morning!
Schedule:
Learning goals
What did we do last time
Roots
Worksheets
Slide 1 - Diapositive
Learning goals
At the end of this lessons I can:
Explain what a root is
Find the roots of perfect square and cubic numbers
Use the correct order of operations including roots
Slide 2 - Diapositive
What did we do last time?
Slide 3 - Carte mentale
Name a square number
(NOT in index form)
Slide 4 - Carte mentale
4E Roots
16 is a
squared number
16 = 4
2
The square root uses the opposite operation
√
1
6
=
Find the squared numer that is equal to the number under the square root
Slide 5 - Diapositive
4E: Roots
Can we do the same thing with
cubic numbers
?
What would this be called?
What would this look like (notation)?
See if you can find the answers to these questions, use your book or the internet!!
Slide 6 - Diapositive
4E: Roots
Simplify:
√
4
9
=
√
8
=
3
√
1
=
5
Slide 7 - Diapositive
√
−
3
6
=
Slide 8 - Question ouverte
4E: Roots
You can not take the
Square root
of a negative number
(-6)
2
= -6 ⋅ -6 =
6
2
= 6 ⋅ 6 =
√
−
3
6
Slide 9 - Diapositive
Order of operations
B
rackets
E
xponents
D
ivision
M
ultiplication
A
ddition
S
ubtraction
{
{
From left to right!
From left to right!
Where do Roots go in the order of operations?
Slide 10 - Diapositive
4E: Roots
The area of the garden is 25 m
2
What is the length of each side?
?
Remember:
Area = length ⋅ width
Slide 11 - Diapositive
Worksheet
I have 3 different worksheets.
Worksheet 1
worksheet 2 Worksheet 3
"This is my first time seeing roots"
"I can do simple sums with roots "
"I want to really challenge myself"
Slide 12 - Diapositive
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