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“Then next we had to figure out a perfect square between 36 and 49 and it ended up being 42.25 because 6.5 is a terminating decimal.”
How many perfect squares ARE there between 36 and 49?
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Build Me
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Build Me
This is why you need to memorize math facts.
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36
36 9
49
8125
50.5
60
59.29
50
100
4
39.69
What’s the square root of?
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Square and square root are inverse operations
With numbers larger than 1,
Squaring always gets ______Square root is always ______
With numbers between 0 and 1,Squaring always gets _____Square root is always _____
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• 1 reduce• 2 if perfect square on TOP and BOTTOM, then it’s a perfect square.how to reduce:
• divide both the top and the bottom by common factors until you can’t find any more common factors. (try 2, then 3, then 5; usually this will be enough.)
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convert to a fraction or use a calculator
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Did not use this slide in class.
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Homework:
Did not use this slide in class.