**Warmup**

How close can your guess be?

- Drag point P to fill the bar to the target(given) percentage.
- Drag point Q to fill the circle to the target percentage.
- When you are satisfied, click on the SUMBIT button,

**Activity #1**

**Visual representation of a Percentage.**

In the applet below, the default number whose percentage is dispalyed is 600, and the percentage is 50.

- Check the Answer box to see what is 50
- Confirm that the colored rectangle displays the percentage.
- Move the Percentage slider back and forth and observe that the answer changes depending on the instantaneous percentage value. The result is also reflected on the rectangle.
- Change the Amount and play around with the Percentage slider as you observe the changes in the rectangle.

**Activity #2**

**Find the value of the Whole.**

In this game, you and an opponent take turns rolling a random percent (between 5 and 25).

- Start by clicking on “Roll Em”. The player with the lower percent takes their percentage first.
- Then click on “show percentage calculation?”
- The other player takes their percentage.
- Then click on “show percentage calculations? (If the percentages are a tie, the player with the lower total takes first.)
- Keep going till someone wins! You can play this game with dice and paper by rolling 4 dice to find your percentages and following these rules. Have fun!

**Activity #3**

** Define Percentage in Terms of US Coins.**

- After identifying the US coins below, use the two bars to answer the questions that follow.

The value of a quarter is 25% of the value of a dollar because there are 25 cents for every 100 cents.

Write the name of the coin that matches each expression below.

(1.) 25% of a dollar.

(2.) 5% of a dollar.

(3.) 1% of a dollar.

(4.) 100% of a dollar.

(5.) 10% of a dollar.

(6.) 50% of a dollar.

(7.) The value of 6 dimes is what percent** **of the value of a dollar?

(8.) The value of 6 quarters is what percent of the value of a dollar?

(9.) Find two different sets of coins that each make 120% of a dollar, where no type of coin is in both sets.

**Challenge #1**

**Challenge #2**

3 tacos cost $18. Complete the table to show the cost of 4, 5, and 6 tacos at the same rate.

If you buy ** t** tacos for

**Challenge #3**

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