1. Lesson7-4 Parenthesis in number sentenceHW
Study Link 7-4
Mental math

2. Today we will learn
Identify and write sentences that model number stories
Solve problems involving parenthesis
Insert parenthesis in order to make true number sentences

3. What do parenthesis mean?
Number sentence= Variable + math symbol +number
Examples x -9 =12, z/8 =9
Operations in parenthesis are done first.
Without parenthesis number sentence can be ambiguous
Example 6+4 X 8 can be 80 or 38

4. Guided Practice
Math journal pg 219 /220
Check your answers

7. Independent practice
Math boxes pg g221

8. Early finishers You may take playing cards from the teacher.
Read the instructions on Student Reference Book pg 325
Select your partner and play the game.

9. We learnt: Identify and write sentences that model number stories
Solve problems involving parenthesis
Insert parenthesis in order to make true number sentences