Mathletes Fab Five1.(-2)(-3)

2.-5 – 5

3.(-3) + 10

4.(-15) ÷ 3

5.(-1)(-2)(-1)(-1)(-1)

1)6

2)-10

3)7

4)-5

5)-2

Applying Integer Operations

Lesson 2.3

https://www.youtube.com/watch?v=-az2L0JUQyQ

Watch the video and write the script

https://www.youtube.com/watch?v=ZmYm-saY0ns

Watch the video and write the script

Order of Operations With Integers

1. Simplify the expressions inside grouping symbols2. Multiply and/or divide in order from left to right3. KFC (turn all subtraction into addition of its

inverse.)4. Add in whatever order using the commutative

property

Examples

1) -4 – (12 + 3) • 2-4 – (15) • 2

-4 – 30

-34

ParenthesisExponentsMulti/Div

KFCAdd

-4 + (-30)

Examples

2) (-10) ÷ (-2) • (-3) + 1(5) • (-3) + 1

(-15) + 1

-14ParenthesisExponentsMulti/Div

Add

Compare the values using <, =, or >

-10 ÷ 2 – 2

Which expression is greater?

-28 ÷ 4 + 1-5 – 2

-5 + (-2) -7

-7 + 1-6

-10 ÷ 2 – 2 -28 ÷ 4 + 1<

Guided Practice3) -6(3) – 24) (-12) ÷ 6 + 25) (-3)(-2) + (-1)(-1)6) (-36) ÷ 9 – 2 7) -11(-2) – 16 – 8

3) -204) 05) 46) -47) -2

Homework

•Workbook page 52-53 (#1-6 ALL, 11-21 ALL)