1. Evaluate the expression: 2(10−2)÷ 2 2 2 8 ÷ 2 2 2 8 ÷4 16÷4 =4
Problem of the Day

2. Review 1. Estimate the value of 72
2. What is 4.03 as a percent and fraction?
Review

3. Adding Integers and Rational Numbers
What happens with you add or subtract integers?

4. Integers: a member of the set of whole numbers and their opposites
Integers: a member of the set of whole numbers and their opposites. (Ex: 1, 100, -1, 0, -100, etc.)
Rational Numbers: any number that can be expressed as a ratio of two integers. (Ex: 1 3 , , − 3 4 , etc.)
Key Terms

5. Modeling Adding Integers
3+4 =7 −5+(−3) =−8
Modeling Adding Integers

6. Modeling Adding Integers
3+(−2) =1
Modeling Adding Integers

7. −7+ −6 =−13
Addition of Integers

8. Applying Addition −5+ −4 −15+71 −52+ −48 −79+79 −25+50 −4+ −5 + −6
15+ −
−500+ −
Applying Addition

9. Adding Rational Numbers
Find the sum: − → = (−2 1 6 ) − =
Adding Rational Numbers

10. 3 2 + − 6 5
6 3 + − 1 6
− − 7 12 −
Applying

11. Adding and Subtracting Rational Numbers Worksheet
Independent Work