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2

“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?

3

Build Me

4

Build Me

This is why you need to memorize math facts.

5

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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10

convert to a fraction or use a calculator

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13

Did not use this slide in class.

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Homework:

Did not use this slide in class.