Equations with square roots (t3g)

Equations with square roots

February 16th

t3g

11:00

Cameras ON

1 / 19

Slide 1: Slide

WiskundeMiddelbare schoolvwoLeerjaar 3

This lesson contains 19 slides, with interactive quizzes and text slides.

Items in this lesson

Equations with square roots

February 16th

t3g

11:00

Cameras ON

Slide 1 - Slide

Schedule

Programme 5 min
Review: simplifying square roots 10 min
Equations with square roots 15 min
Quizzes
Practice 30 min
Break-out rooms (A/B)

Slide 2 - Slide

Programme

Slide 3 - Slide

Review - 5 min - in your notebook

Simplify and take a picture with your phone. c) is only for maths B.

a) \sqrt ​ 1 \frac{​ 7 ​ ​}{​ 9 ​} ​ ​ ​

b) \frac{​ \sqrt ​ 4 8 ​ ​ ​ ​ ​}{​ \sqrt ​ 3 ​ ​ ​ ​}

c) \sqrt ​ 2 \frac{​ 2 ​ ​}{​ 7 ​} ​ ​ ​

Slide 4 - Open question

a) \sqrt ​ 1 \frac{​ 7 ​ ​}{​ 9 ​} ​ ​ ​

b) \frac{​ \sqrt ​ 4 8 ​ ​ ​ ​ ​}{​ \sqrt ​ 3 ​ ​ ​ ​}

c) \sqrt ​ 2 \frac{​ 2 ​ ​}{​ 7 ​} ​ ​ ​

Slide 5 - Slide

Intended Learning Outcomes

At the end of the lesson you can...

Solve equations with square roots (ch.6.5)
Calculate gradient and grade (ch.7.1)

Slide 6 - Slide

Equations with square roots

Solve.

Slide 7 - Slide

Solve:

\sqrt ​ x ​ ​ ​ = 25

x = \sqrt ​ 5 ​ ​ ​

x = 25

x = 625

Cannot be solved

Slide 8 - Quiz

Solve:

\sqrt ​ x - 1 ​ ​ ​ = 5

x = 25

x = 26

x = 6

Cannot be solved

Slide 9 - Quiz

Solve:

- \sqrt ​ x + 4 ​ ​ ​ = - 2

x = 4

x = - 2

x = 0

Cannot be solved

Slide 10 - Quiz

Gradient & tangent (ch.7.1)

The ____________ rule

3 = \frac{​ 6 ​ ​}{​ 2 ​}

a = \frac{​ b ​ ​}{​ c ​}

Slide 11 - Slide

Gradient & tangent (ch.7.1)

The ____________ rule

3 = \frac{​ 6 ​ ​}{​ 2 ​}

a = \frac{​ b ​ ​}{​ c ​}

Slide 12 - Slide

Have you ever seen such a sign?

Yes

Slide 13 - Poll

Gradient & grade

From linear graphs:

g r a d i e n t = \frac{​ r i s e ​ ​}{​ r u n ​}

Slide 14 - Slide

Gradient & grade

From linear graphs:

% -------------->

g r a d e = \frac{​ r i s e ​ ​}{​ r u n ​} \cdot 100

Slide 15 - Slide

What is the RUN of this hill?

388.9 m

126 m

0.0026 m

Cannot be solved

Slide 16 - Quiz

Slide 17 - Slide

What is the RUN?

4.15

3024

30.24

414.8

Slide 18 - Quiz

Practice

Slide 19 - Slide

Equations with square roots (t3g)

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Open question

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

Slide 8 - Quiz

Slide 9 - Quiz

Slide 10 - Quiz

Slide 11 - Slide

Slide 12 - Slide

Slide 13 - Poll

Slide 14 - Slide

Slide 15 - Slide

Slide 16 - Quiz

Slide 17 - Slide

Slide 18 - Quiz

Slide 19 - Slide

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