September 12, 2016

Warm-UpOn your warm-up paper, answer the following questions:

1) A player scores 22 points. He then gets a penalty of 30 points. What is the player's score after the penalty?

2) On the first play, the football team lost 6 yards. On the second play, the team lost 5 yards. What was their total change in yards?

Day 5

September 12, 2016

What are we doing this unit?

Integers Pre-Test

Defining Integers

Absolute Value

Adding, Subtracting, Multiplying and Dividing Integers

Integer Story Problems

Performance Assessment (Writing an Integer Story)

Integer End of Unit Test

Day 5

September 12, 2016

Agenda Today

• Warm-Up• Notes and Examples• Integer Addition Bingo• Homework: Finish Integer Addition

Worksheet--due tomorrow (must use number lines and/or integer chips)

• IXL: C.1, C.2, C.3, C.5

Day 5

September 12, 2016

Essential ? and Learning TargetsEssential Question:-How does a person add, subtract, multiply, or divide integers using a variety of procedures and algorithms?

-When combining integers, how do you know if your answer will be positive, negative, or zero?

Learning Targets:Students will be able to...-use number lines, integer chips and procedures/algorithms to add rational numbers (integers).

Day 5

September 12, 2016

Summary:

Topic:

Questions: Notes:

Date:

Essential Question:

Adding Integers

How does a person add, subtract, multiply, or divide integers using a variety of procedures and algorithms?

Students will be able to...-use number lines, integer chips and procedures/algorithms to add rational numbers (integers).

September 12, 2016

Additive inverses: two numbers whose sum is 0

Zero Pair: a pair of numbers whose sum is 0

VocabularyDay 5

September 12, 2016

Adding Integers with Number Lines

Use a number line to find each sum.

-8 + 1

-1 + (-7)

-6 + 6

Challenge: compare. use >, <, or =:a. 49 + (-21) ____ -18 b. 10 + (-2) ____ -4 + 12

c. -20 + (-7) ____ -11 + -11

10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10

10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10

10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10

Day 5

September 12, 2016

Adding Integers with Chips

Use integer chips to find each sum.

-1 + 4

7 + (-3)

-2 + (-2)

Challenge: Find each sum.

a) 1 + (-3) + 2 + (-10) b) -250 + 200 + (-100) + 220

c) -12 + (-6) + 15 + (-2)

Day 5

September 12, 2016

Adding Integer Rules

If the numbers have the same sign:**The sum of two positive numbers is positive.

**The sum of two negative numbers is negative.

10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10

Day 5

September 12, 2016

Adding Integer Rules

10 2 3 4 5 6 7 8 9 10-1-2-3-4-5-6-7-8-9-10

If the numbers have different signs:1. Find the absolute value of each number.

2. Subtract the two numbers.

3. The sum has the sign of the integer with the greater absolute value.

Day 5

September 12, 2016

Adding Integer ExamplesFind each sum.

a. -12 + (-31)

b. 7 + (-18)

c. -22 + (-16)

d. 60 + (-13)

e. -125 + 35

Day 5

September 12, 2016

Integer Addition BINGO~Every student needs a BINGO board and a pencil.

~The teacher will draw out one integer problem and one letter (B, I, N, G, or O). If you have the answer in the correct column, you can put a mark in the corner.

~We are playing standard BINGO--5 in a row (horizontal, diagonal, or vertical).

~The winner receives a piece of candy!!

Day 5

September 12, 2016

Summary:

Topic:

Questions: Notes:

Date:

Essential Question:

Summary

September 12, 2016

Exit TicketAnswer these questions on your 1/2 sheet of scrap paper, then turn in to the appropriate basket for how you are feeling with adding integers:

1) -37 + (-5) 6) -6 + 1

2) 14 + (-4) 7) 4 + 6

3) -100 + 5 + (-3) 8) -2 + 6

4) 2 + (-5) 9) -34 + 4

5) -100 + 100 10) Write your own problem and solve.

Day 5

September 12, 2016

Homework: Finish Adding Integers Worksheet--make sure you show number lines and/or integer chips--due tomorrow!!

IXL Skills: C.1, C.2, C.3, C.5

HomeworkDay 5