Adding and Subtracting Integers Find each sum 1) 3 + (?7) 2) (?10) + 12 3) (?5) + 8 4) (?4) + 6 5) (?8) + 12 6) 6 + (?11) 7) (?7) + 2
Adding Integers - Word Problems Essential Skills: Identity the questions you need to answer and the problems you need to solve
Adding Integers (A) Answers Use an integer strategy to find each answer (-11) + (-5) = 12 + 2 = 10 + (-13) = = (-16) = 14 = (-3) (-8) + (-5) =
You can use colored counters to add positive integers and to add negative integers Represent Real-World Problems Write and solve a word problem that
STORY PROBLEMS WITH INTEGERS Read carefully and solve 1 When Steve woke up His temperature was 102º F Two hours later it was 3º lower
Integer Operations Review Name: Adding Integers 1) 85 + (-96) = _____ 2) 80 + 57 = _____ 3) 86 + (-38) = _____ 4) 22 + (-41) = _____
Another example of integers or positive and negative numbers is used with a checking account or dealing To add two integers, find the point on the
Practice and Problem Solving: A/B Find each sum Add 4 5 + Step 1 Check the signs Are the integers Use the models to solve the problems
REVIEW: Adding and Subtracting Integers Find the sum or difference 7 ?2 + 3 = 8 ?4 ? 5 = 9 8 ? 2 = 10 8 ? (?2) = 11 ?4 ? (?1) =
Success for English Learners 1 positive counters 2 because you are adding a negative number 3 Answers will vary Sample answer: Erica
1) −4 2) 2 3) 3 4) 2 5) 4 6) −5 7) −5 8) −17 9) −13 10) 2 11) −1 12) 0 13) −1 14) 7 15) −9 16) 9 17) 2 18) 0 19) −1 20) 12 21) −3 22) 1 23) 6
Adding Integers with Different Signs Practice and Problem Solving: D Show the addition on the number line Then write the sum The first one is done for you 1
Practice and Problem Solving: A/B Model each addition problem on the number line to find each sum 3 ( ) 4 2 - + - Adding Integers with Different Signs
Examples: Use the below number lines to model the given ADDITION problems: 1 PURPOSE: To practice adding and subtracting integers with number lines