Week 9

(Module 2 Topic 1 Lesson 4 - 5: Adding and Subtracting Rational Numbers)

Learning objective = Students walk the number line and use two-color counters to model subtraction of integers as they relate subtraction to the addition of an opposite. They solve problems with and without context, using number line models or rules.

Parents can support learning at home by helping students connect this week’s lesson to real-life examples and practice explaining their thinking. Encourage your child to explain each step aloud rather than simply memorize a rule = SAMPLE TEST QUESTIONS + MORE QUESTIONS

***If your child needs more challenge, they can move at a faster pace by using this site to study the concepts of future lessons. Mr. Pierre will strive to prepare lessons two weeks ahead of the current week. Also, Khan Academy is a great enrichment resource***

Lesson 4

Lesson 5

Harry Makes a Big Splash with Positive and Negative Numbers | Cyberchase | Grades 3-5, 6-8 Math K-5 Teaching and Lesson ResourcesIn this Cyberchase video, Harry, his friend, and his cousin Harley form a swim relay team. They get timed in three different strokes to see who should swim which one in a relay. They look at the results and try to find the combination of times which will yield the lowest overall relay time. In the accompanying classroom activity, students pair up and play a game that gives them practice adding positive and negative numbers on a number line.

Summing Integers: Positive and Negative | Cyberchase | Grades 3-5, 6-8 Math K-5 Teaching and Lesson ResourcesStudents add, subtract and compare positive and negative integers.