2 Tvwo § 3.2 Adding and subt. sq. roots '19 '20

§3.2 Adding and subtracting square roots ...
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Slide 1: Tekstslide
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In deze les zitten 10 slides, met interactieve quizzen en tekstslides.

Lesduur is: 50 min

Onderdelen in deze les

§3.2 Adding and subtracting square roots ...
is on the menu today!

Slide 1 -Tekstslide

Recap: Opposite numbers

Slide 2 -Tekstslide

Adding and subtracting square roots
Adding and subtracting square roots works the same as adding and subtracting like terms:

Calculate

3+3+3+3=
A
12
B
81
C
43
D
34

Slide 4 -Quizvraag

Adding and subtracting square roots
You cannot add up or subtract square roots with a different number under the square root sign. (In the same way you cannot add up different terms)

Slide 6 -Tekstslide

Write as short as possible

y=x+5+x+7
A
y=2x+12
B
y=2x+5+7
C
y=2x+12
D
y=35x2

Slide 7 -Quizvraag

Adding and subtracting square roots
Writing expressions with addition and subtraction as short as possible with square roots works the same as with like terms.

Slide 8 -Tekstslide

Write as short as possible

P=15a+6b+5a2b
A
P=20a+8b
B
P=24ab
C
P=20a+4b
D
cannot be written any shorter

Slide 9 -Quizvraag

Homework
Make and correct §3.2 (standard or challenge)
Send in pics of your (corrected) work in GC!