day 3 finding square roots
TRANSCRIPT
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Mercredi 1er Septembre
Warm up
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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
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Review:
What does it mean to Square a number?
What does it mean to take the Square Root?
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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
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2) Put the number in between 2 integers
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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
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Applications with partner
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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
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Homework correction
2. -√72 3. √200 4. -√340
5.
Round to the nearest tenth
6. √83 7. √91.5 8. √6509.√190
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Where do square roots fit in our number map?
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·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:
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Rational or irrational ?
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Study guide
Rational or irrational?
Square roots and order of operations
Finding and rounding square roots
Putting square root between 2 integers
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Review game
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-4
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√121 - 12
√25 - 92
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Round the following number to the nearest tenth
√62
√27
√71
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Vendredi 3 Septembre
Warm up
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Study guide check
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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
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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
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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
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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
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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
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25. Complete the map of numbers
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