rational and irrational umbers 9A

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Quiz Write as decimals - round to 5 decimal places 1. 2. 3. 4. 9A I can classify and order rational and irrational numbers Rational Numbers l Rational vs irrational Natural Whole Integers Rational Irrational The Real Number System 15.111... 0 5.26 -32 π

Transcript of rational and irrational umbers 9A

QuizWrite as decimals - round to 5 decimal places

1.2.3.4.

9AI can classify and order rational and irrational numbers

Rational Numbers

l

Rational vs irrationalNatural

Whole

Integers

Rational Irrational

The Real Number System

15.111...

0

5.26

-32

π

Ordering all numbers:1) √ and fractions --> decimals2) . _ _ _ list 3 numbers after decimal3) put in order

Homework Pickup

ordering activity 9BI can simplify radical expressions

6 cm

6 cm

Area = 25 cm2

Volume = 512 cm3

Area = 9cm2

Volume = 125 in 3

64x6y3

64x6y3

123456789101112

square cube

- √ 9 √ -64

√ 40x4y5Simplifying Roots

Estimate answer Exact answer(on calculator) (w/√remainder)

√72

Estimate Exact

√24

√300

√14

Homework Pickup

√120simplify

9CI can solve radical equations

√x = 6x2 = 9

4 = √b √25n = 5

m3 = 216 4 =

x2 - 6 = 10 25b3 = 25 3 = √2x + 8

√-1 -m = √m+ 3 169 = 144 + a2

9DI can find side lengths of right triangles

a

b

c

side area

a

b

c

Right Triangle3

in

4 in

5 in

a2+ b2 = c2

side area

a

b

c

6

8

a2+ b2 = c2

side area

a

b

c

√5√205

Right??

Is it a right triangle?

3cm 2cm √5cm

11 in √51 in. 13in

Find missing sides!!!

9EI can find side lengths of right triangles in 3D shapes

2 in6 in

10 in

Find diagonal (d)

d

d

3 in5 in

7 in

d

d