Mercredi 1er Septembre

Warm up

HW Corrections

3. 4 4. 400 5. 1

6. 81 7. 9 8. 16

9.

10. √9 + 16 11. √64/4 12. 2√100 - 75

Review:

What does it mean to Square a number?

What does it mean to take the Square Root?

What do we do if asked to find the square root of a number and the answer is not a whole number?

1) Use the CALCULATOR

Round to the nearest thousandth the following numbers√8

√50 Round to the nearest tenth the following numbers

√80 √45

2) Put the number in between 2 integers

Putting numbers on a number line

√8

10 2 3 4 5 6 7 8 9 10-1-2

-3-4-5-6-7-8-9-10

-1 0-2

-3-4-5 1 2 3 4 5

√50

Applications with partner

Jeudi 2 Septembre

Warm up

·Put the following square roots between 2 consecutive integers√110 -√50

·Round the following expressions to the nearest tenth√17 √62 √70

Homework correction

2. -√72 3. √200 4. -√340

5.

Round to the nearest tenth

6. √83 7. √91.5 8. √6509.√190

Where do square roots fit in our number map?

·If the square root of a number is a whole number or a terminating decimal, it's rational

Ex :

·If the square root of a number is a non terminating decimal, you can be sure it's irrational

Ex:

Rational or irrational ?

Study guide

Rational or irrational?

Square roots and order of operations

Finding and rounding square roots

Putting square root between 2 integers

Review game

-4

√121 - 12

√25 - 92

Round the following number to the nearest tenth

√62

√27

√71

Vendredi 3 Septembre

Warm up

Study guide check

Quiz # 1

Determine wether the following numbers are rational or irrational (explain why) :

1. 5/7 2. -43. 2.3434...

4. √50 5. √64 6. π

Using the order of operations, find the value of the following expressions

7. 7 - √16 11. 3√25 + 5

8. √49 - 8

9. √100 - 36

10. √363

Put the following irrational numbers between 2 consecutive integers

12. √30 13. √9014. -√36

15. Order the following numbers from least to greatest

3 , 2/3 , √10 , 22 , √4

Round the following square roots to the nearest tenth:

16. √83 17. √12 18. √1223

Round the following square roots to the nearest hundredth:

19. √77 20. √24

10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10

Plot the following numbers on the number line:

21. √2 22. √100 23. √47 24. -√25

25. Complete the map of numbers