1. Mathematical Mindset

2. Four 4’s Activity
Try to find every number from 1 to 20 using only four 4’s —all four of them have to be used each time—and any operation! Operations include: +, -, x, ÷, exponent of 4, square root, parentheses, decimals, fractions…
SOME ANSWERS CAN BE FOUND AT:

3. Dueling Discounts
Group Activity

4. Which coupon should be used?

5. 20% COUPON IS BETTER
20% OFF = $28 OFF WHICH IS MORE THAN USING THE $20 OFF COUPON

6. $20 COUPON IS BETTER
20% OFF = $10 OFF WHICH IS LESS THAN USING THE $20 OFF COUPON

7. $20 COUPON IS BETTER
20% OFF = $5.40 OFF WHICH IS LESS THAN USING THE $20 OFF COUPON

8. $20 COUPON IS BETTER
20% OFF = $16 OFF WHICH IS LESS THAN USING THE $20 OFF COUPON

9. $20 OFF COUPON IS EQUIVALENT TO USING THE 20% OFF COUPON

13. Homework: Worksheet
Fewest Squares
Magic Math
Reflection