PPT-1 Positive and Negative Numbers as Quantities

Warm Up Think Pair Share OBJECTIVE SWBAT understand that positive and negative numbers are used together to describe quantities having opposite directions or values by using positive and negative numbers to represent quantities in real world context. adding, subtracting, multiplying, and dividing. If the signs of both numbers are alike, (both positive or both negative) add the two numbers and keep the same sign as in the original problem.. Example: -4 + -8 = -12. Write in your planner and stamp sheet:. Homework: Toeing the Line WS. Warm-up. Extending the Number System. Positive . Numbers:. Numbers . to the right of zero on a number line. Negative Numbers:. Numbers . Adding and Subtracting Negative numbers. Number skills. - . Calculate using mental and written methods. - . Negative. numbers. Bronze. . Yr 4. Silver. Yr 5. Gold. Yr 6. Platinum. Yr 7. Yr 8. Yr 9. Students who cannot easily memorize rules tend to not do as well in math.. Students who can memorize rules tend to do better in math, but do not always understand HOW or Why the math works. . What are some rules that we teach students?. http://. www.youtube.com/watch?v=m94WTZP14SA. Colin . Dodds. - Number Types (Math Song) . top. bottom. a. bove sea level . increase. decrease. below sea level . . Positive and Negative Integers. A. © . 2014 . Project Lead The Way, Inc.. Digital Electronics. 2’s Complement Arithmetic. This presentation will demonstrate. That subtracting one number from another is the same as making one number negative and adding.. http://. www.youtube.com/watch?v=m94WTZP14SA. Colin . Dodds. - Number Types (Math Song) . top. bottom. a. bove sea level . increase. decrease. below sea level . . Positive and Negative Integers. A. When it came to measuring quantities in dissimilar vessels, such a proportion could only be found by finding a unit of measure by which both vessels could be measured as a whole number .  . Anthyphairesis. Dr J Frost (jfrost@tiffin.kingston.sch.uk). www.drfrostmaths.com. . Last modified: . 3. rd. September . 2015. Objectives: . Add, subtract, multiply and divide negative numbers, as well as raise a negative number to a power.. Adding Integers. The sum of two positive integers is always positive. 5 4=9.. The sum of two negative integers is always negative. -5 (-3)= -8.. The sum of a positive integer and a negative integer is sometimes positive, sometimes negative and sometimes zero.. Warm-Up #25 (10/24/16) . Is . the same?. Evaluate (12 – - 3) 30.. What is rational number? .  . Homework (10/24/16). Textbook: Big Ideas. Page 54. #5-14 ALL. Rational Numbers. A rational number is a real number that can be written as a simple fraction (i.e. as a ratio.). Investigation1: Extending the Number System. Students will demonstrate understanding of the number line and how to use it to compare numbers, add and subtract numbers.. Homework for this section. Due Thursday. Investigation2: Adding and Subtracting Rational Numbers. Students will demonstrate how to combine numbers with the same sign and different signs. Homework. Pg. 44. 1-11 odd. 19-29 odd. 30, 48,54,66. Example 8 2 10 if the positive number is greater the sum will be a positive numberExample 8 2 6 if the negative number is greater the sum will be a negative numberExample 82 the c