21

2.5 pgs. 171 - 175 EQ: In what order do we simplify expressions? Date: Questions/Main Points

Example 1: Order of Operations with Fractions a) 2 1

4 ÷ (1

4+ 1

3) _________________________________________________

__________________________________________________ __________________________________________________

b) 35

• 56

+ 14

÷ (52)

2 __________________________________________________

__________________________________________________ __________________________________________________ __________________________________________________

105

Changemixednumberto ImproperFraction

E.it ttd9iofg.tttz.E FindLCDandaddwlinparentheses

of Etfs Dividebymultiplyingbythe reciprocalandreduceii c

Exponents lE5 gI GI3Etty 214 Divide andmultiplyEtty IfI 12 t Find LCDandaddIt ItsEtfs Simplify if necessary

Esttz Iste2 30 2

23

2.5 pgs. 171 - 175 EQ: In what order do we simplify expressions? Date: Questions/Main Points

c) 110

÷ 34

• 12

− 35

• 730

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

4) (16)

2 ÷ 7

12− 5

8 5) (− 3

4) + 3

8 • 4

5 ÷ 2

5+ 2

3

6) −15 ÷ (13

+ 110

) 7) 25𝑎

÷ 163𝑎

− 2𝑏7

• 75𝑏

Summary:

1018

Divide multiply byreciprocalIz E multiply and reduce045 ta 3off515 50 asog Finda

LCD to subtract3 105 3 to so

3

to If write equivalentfractions

Simplify if necessary

974 168

5 23

6 45013

7 1340

20

HW: 2.5 pg. 176 – 177

Answer Column

21) ______________

26) ______________

30) ______________

33) ______________

Use the rules for order of operations to evaluate the expressions. 21) 3

8 • 4

5+ 1

15 26) (2

5)

2 • 3

8+ 1

5 ÷ 3

4

30) (− 23) ÷ 7

12− 2

7+ (− 1

2)

2 33) −2

12

• 3 15

÷ 34

− 710

HW 105

is21

I Iot5 50 I30 10 330 52

41 I Feats 4150 X X33 good t f 4g5501528 10 3

3Ft 148 so3 15034130

22

HW: 2.5 pg. 176 – 177

Answer Column

34) _____________

36) _____________

57) _____________

60) _____________

Use the rules for order of operations to evaluate the expressions.

34) 58

÷ 110

+ (− 13)

2 • 3

5 36) (

58

+ 2 14) ÷ (1 − 1

4)

57) (3𝑥2

− 5𝑥) ÷ (𝑥3

+ 𝑥15

) 60) 𝑦24

• (45)

2+ 2𝑦

3 ÷ (2

3)

2

HW 1018

37960

236

354

2294150