-Square root is the inverse of squaring.

-It is a number multiplied by itself.

A Square Root van be thought of as aside in a square.

You can find the approximate √ of a number using perfect square. the whole number is the same as the smaller perfect square for all √ in between.

To estimate a fractional √ we can find find the whole number.

**-To find the denominator of the fraction we subtract the p**

**erfect squares.**

**(25-16=9)**

**√**

-To find the numerator we count the

-To find the numerator we count the

positions between a

perfect squares.

**Textbook Questions**

**5, 12,and 15**

**5) estimate each value, to one decimal place. Check your answer with calculator.**

**12) While shopping online, Ji Hun finds a square rug with an area of 11**

**m² . He needs to know if it will fit in his 4mx5m bedroom.**

**a)Estimate the side length of the rug, to one decimal place.**

*b)Check your estimate with a calculator. *

√ 3.316

*c**)Will the rug fit? Explain. *

Yes, because the area of the bedroom is 20m² . The square root of the area which is 20 is 4.472 and the square root of the rug (11) is √ 3.316 .

**15) Order the following numbers from least to greatest 7, **√46, 5.8,√27,6.3

7x7=49

√46

6.3x6.3= 39.6

5.8x5.8= 33.8

√27

**answer: **√27 ,5.8,6.3,√46 ,7

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