rational and irrational umbers 9A
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
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