standard_description: Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a + 0.05a = 1.05a means that “increase by 5%” is the same as “multiply by 1.05.”
problem_activity: Task
Materials
Coins and dollar bills
Problem with table of costs displayed
| Stuffed Animals at the Pet Shop |             Cost for each animal              |
|---------------------------------|-----------------------------------------------|
|               Dog               |      2 pennies, 3 nickels, and 1 quarter      |
|              Snake              |       6 pennies, 2 nickels, and 2 dimes       |
|              Bird               |       5 nickels, 3 dimes, and 1 quarter       |
|               Cat               | 5 pennies, 5 nickels, 5 dimes, and 1 quarter  |
|             Rabbit              | 7 pennies, 3 nickels, 2 dimes, and 3 quarters |
|              Frog               |        5 pennies, 5 dimes, 5 quarters         |
|             Monkey              |       3 pennies, 3 nickels, 3 quarters        |
How much money would you spend if you purchased one of each animal at the pet shop?
If you have \$3 to spend at the pet shop, what animals would you buy?
What two animals could you buy if you have \$2 to spend? How much change will you get back?
How much money would you spend if you purchased the dog, snake, and the bird?
Make up a problem for your partner to solve.


aligns: no