ORDER OF OPERATIONS_ORDER OF OPERATIONS_

ORDER OF OPERATIONS_

1. ORDER OF OPERATIONS

2. LESSON OBJECTIVE Do mixed operations involving addition, subtraction, multiplication and division with and without parenthesis.

3. When there are only addition and subtraction operations, work from left to right ADDING AND SUBTRACTING WHOLE NUMBERS

4. 1. 6 + 20 – 12 + 15 2. 18 – 3 – 10 + 51 3. 300 + 43 – 50 + 20 4. 28 – 25 + 200 - 7 Find the value of the following:

5. When there are only multiplication and division operations, work from left to right MULTIPLYING AND DIVIDING WHOLE NUMBERS

6. 1. 18 x 2 ÷ 4 2 . 63 ÷ 9 x 5 3. 120 ÷ 10 x 3 ÷ 6 4. 15 x 3 ÷ 5 ÷ 9 Find the value of the following:

7. When there are mixed operations, work from left to right, and carry out multiplication and division before addition and subtraction CARRYING OUT MIXED OPERATIONS

8. 1. 17 + 15 ÷ 3 2. 8 + 12 – 5 x 4 3. 70 – 56 ÷ 8 x 7 4. 35 – 4 x 5 + 36 ÷ 18 Find the value of the following:

9. Answer Page 49 Number 2 All letters

10. Page 50 Number 2 Letter C to F only Exercise Pad Assignment #5

11. 1. 346 + 12 – 6 2. 25 + 23 – 16 – 5 3. 32 x 3 8 4. 73 x 10 - 4 5. 48 + 64 8 x 3 - 18   Seatwork #7

12. When there are parenthesis, first carry out the operations in the parentheses. Then, work from left to right, and carry out multiplication and division before addition and subtraction CARRYING OUT MIXED OPERATIONS W/ PARENTHESIS

13. 1. 5 x (10 + 4) 2. (89 – 54) x 2 + 12 3. 72 ÷ (6 x 4) + 10 4. 8 x 3 + 88 ÷ (7 + 4) Find the value of the following:

14. 1. 10 + 32 ÷ 8 x 2 – 9 2. (15 – 9) + 5 x 4 3. 20 + 35 – 15 ÷ 5 x 16 + 6 4. 12 + 2 x [(14 + 6) ÷ 4] 5. 19 + 28 x [(45 ÷ 5 x 3) +27] LEVEL UP!