options: Apply and extend previous understandings of numbers to the system of rational numbers.

Know that there are numbers that are not rational, and approximate them by rational numbers.

Compute fluently with multi-digit numbers and find common factors and multiples.

Represent and model with vector quantities.

Apply and extend previous understandings of multiplication and division to divide fractions by fractions.

Represent complex numbers and their operations on the complex plane.

Use properties of rational and irrational numbers.

Perform operations on vectors.

Perform operations on matrices and use matrices in applications.

Perform arithmetic operations with complex numbers.

Use complex numbers in polynomial identities and equations.

Reason quantitatively and use units to solve problems.

Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.

Extend the properties of exponents to rational exponents.
problem_activity: Task
How many one-hundred dollar bills do you need to make \$2,000? \$20,000?
How many ten dollar bills do you need to make \$2,000? \$20,000?
How many dimes do you need to make \$0.20? \$2? \$20?
How many pennies do you need to make \$0.02? \$0.20? \$2?
Use the answers to the questions above to fill in the table:
|  $A$   | $B$  | $A\div B$ |
|--------|------|-----------|
|   2    | 0.01 |           |
|   20   | 0.1  |           |
|  200   |  1   |           |
| 2,000  |  10  |           |
| 20,000 | 100  |           |
What changes (and how does it change) and what stays the same as you move from row to row down the table?


correct_option_index: 2