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2TH §4.2 Adding and subtracting Square Roots
Entry Ticket
Calculate if possible and without using a calculator
1 / 13
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Slide 1:
Slide
Wiskunde
Middelbare school
vwo
Leerjaar 2
This lesson contains
13 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
50 min
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Items in this lesson
Entry Ticket
Calculate if possible and without using a calculator
Slide 1 - Slide
§4.2 Adding and subtracting square roots ...
is on the menu today!
Slide 2 - Slide
Recap: Opposite numbers
Slide 3 - Slide
Adding and subtracting square roots
Slide 4 - Slide
Adding and subtracting square roots
....... works the same as adding (+) and subtracting (-)
like
terms:
Slide 5 - Slide
Calculate
√
3
+
√
3
+
√
3
+
√
3
=
A
√
1
2
B
√
8
1
C
4
√
3
D
3
√
4
Slide 6 - Quiz
Adding and subtracting square roots
You can only add up (+) and subtract (-)
like
terms
Slide 7 - Slide
Slide 8 - Slide
Write as short as possible
y
=
√
x
+
√
5
+
√
x
+
√
7
A
y
=
2
√
x
+
√
1
2
B
y
=
2
√
x
+
√
5
+
√
7
C
y
=
√
2
x
+
1
2
D
y
=
√
3
5
x
2
Slide 9 - Quiz
Adding and subtracting square roots
Writing formulas
as short as possible
with square roots
works the same as with
like
terms.
Slide 10 - Slide
Write as short as possible
P
=
1
5
√
a
+
6
√
b
+
5
√
a
−
2
√
b
A
P
=
2
0
√
a
+
8
√
b
B
P
=
2
4
√
a
b
C
P
=
2
0
√
a
+
4
√
b
D
cannot be written any shorter
Slide 11 - Quiz
Homework
Do §4.2 exercises 10, 11, 12, 13 and 14
Check your answers with the solution book!
Slide 12 - Slide
What did you learn today?
Slide 13 - Mind map
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