Math 9: Section 1.1 - 1.2

Drawing Square Roots

300

Represent as a diagram 

sqrt(4/9)

2/3

400

Represent as a diagram 

sqrt(25/36)

5/6

Identifying Perfect Squares

200

Is this a perfect square?

sqrt(128/200)

Yes. 8/10

300

Is this a perfect square? 

sqrt(1.69)

Yes. 11/10

400

Is this a perfect square? 

sqrt(0.74)

No

Above/Below Estimating

100

Estimate 

sqrt(33)

Approx 5.7

200

Estimate 

sqrt(95/150)

10/12

300

Estimate 

sqrt(0.84)

9/10 or 0.90

400

Estimate 

sqrt(1.25)

Approx 1.1

500

Estimate 

sqrt(175/220)

13/15

Types of decimals

200

sqrt(2.25)

Terminating

300

sqrt(1/9)

Repeating

400

sqrt(14.46)

Non terminating

Area Problems

300

A square park has an area of 640.09km. Find the side lengths, and perimeter. You may use a calculator. 

SL = 25.3km 

Perimeter = 101.2km

400

Use estimation to find the side lengths of a square park that has an area of 66.6km. 

Approx 8.2km