1. Number Sense & The Arithmetic of Whole Numbers Shelby Ferreira

2. Group Activity 1. Approximate the length and width of the room. 2. Estimate the area of the room.

3. Rounding 1,354,294,466

4. Estimating 1,354,294,466 + 5 billion, six-hundred thirty-seven million, and five-hundred twenty-eight

5. Place Value 1,354,294,466 Standard form Expanded form

6. Group Activity Calculate the cost of health insurance per family based on the data in this cartoon.

7. Basic Operations + − ×, )(, *, ab ÷, /

8. Symbols < less than > greater than ≤ less than or equal to ≥ greater than or equal to ≠ not equal to = equal to ≅ approximately equal to ≈ approximately

9. Addition Terms/addends Sum Notation Commutative Number line (moving to the right) https://www.youtube.com/watch?v=HECgS98d1_A Example: 59+78 (Try with strategies 1, 2, and 3)

10. Subtraction Terms Difference Notation Inverse of addition NOT commutative Number line (moving to the left) https://www.youtube.com/watch?v=u9tSxpqcLSk Example: 9874 – 4238 = (Try with subtraction without borrowing)

11. Multiplication Factors Product Notation Related to addition. How? Commutative https://www.youtube.com/watch?v=lzXZO3W_Mrc Example: 86 x 23 = (Try with Japanese multiplication)

12. Division Dividend Divisor Quotient Notation Inverse of multiplication Related to subtraction. How? NOT commutative https://www.youtube.com/watch?v=mU_9y_MoYLA Example: 558 / 97 = (Try with hangman long division)

13. Order of Operations Parentheses Exponents Multiplication & Division (left to right in the order that they appear) Addition & Subtraction (left to right in the order that they appear)

14. Properties of Arithmetic Properties of Real Numbers Rules of Arithmetic

15. Exit Ticket