Day 5 Warm-Up€¦ · September 12, 2016 Agenda Today • Warm-Up • Notes and Examples •...
Transcript of Day 5 Warm-Up€¦ · September 12, 2016 Agenda Today • Warm-Up • Notes and Examples •...
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