radicals Lesson Slides: 11 Slides (Grade 9)

11 Slides • 9 Questions

1

Addition & Subtraction of Radicals

By Rodrigo Rulloda

2

Learning Objectives:

At the end of the session, I should be able to:

a. simply radical expressions;

b. identifies similar and dissimilar radicals

c. apply addition and subtraction is simplifying radical expressions;

3

REVIEW TIME!

4

Multiple Choice

Which of the following RADICALS is not simplified?

1

$\sqrt[]{2}$

2

$\sqrt[]{20}$

3

$\sqrt[]{3}$

5

Multiple Choice

Which of the following RADICALS is simplified?

1

$\sqrt[]{15}$

2

$\sqrt[]{20}$

3

$\sqrt[]{25}$

6

Multiple Choice

Which of the following is a PERFECT SQUARE NUMBER?

1

$20$

2

$121$

3

$99$

7

Multiple Choice

Which of the following is a PERFECT CUBE NUMBER?

1

$36$

2

$9$

3

$27$

8

SIMILAR AND DISSIMILAR RADICALS

9

Word Cloud

What are words synonymous to the word "SIMILAR"?

Type response here

10

Word Cloud

What are words synonymous to the word "DISSIMILAR"?

Type response here

11

SIMILAR AND DISSIMILAR RADICALS

Similar radicals – radicals whose indices and radicands are the same

Dissimilar radicals – radicals whose indices and/or radicands are not the same

12

Multiple Select

Which of the following are SIMILAR RADICALS?

1

$\sqrt[]{2}\ \&\ 3\sqrt[]{2}$

2

$\sqrt[]{5}\ \&\ \sqrt[3]{5}$

3

$\sqrt[]{2}\ \&\ \sqrt[]{8}$

4

$\sqrt[]{3}\ \&\ \sqrt[]{7}$

13

14

15

16

Draw

Please draw a happy face if you understood the lesson, sad if not. Feel free to express your emotion.

17

Application

18

Drag and Drop

To add or subtract radicals,

first those which are not

in simplest form, then

radicals which are

and indicate as addition or subtraction those radicals which

are

.

Drag these tiles and drop them in the correct blank above

simplify

combine

similar

dissimilar

19

Choose 2 problems to answer.

Evaluation Time

20

Apply addition and subtraction to simplify the following radical expressions.

Addition & Subtraction of Radicals

By Rodrigo Rulloda

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