Finding This Percent of That

Warmup


Activity #1

Estimate and Locate the Percent of a Number on a line (Game).

  • Start the game at Level 1.
  • Read the problem.
  • Make an estimate of where you think the percentage point will be on the line.
  • Then move the red diamond to your estimated point, and click .
  • Click . Then you’ll have a feedback of how you did after the two attempts.
  • Click to continue.
  • Read the new question.
  • Enter your estimated value in the box and press the Enter key on your keyboard.
  • Now move the blue diamond to where your estimated value is on the line.
  • Enter the value again inside the box and press the Enter key.
  • To continue practicing at level 1, click the reset button and click Level 1.
  • To move to another level, click the reset button and make the selection.

Activity #2

Find what Percent a number is of Another.

  • Use the app below this one to model & solve the problem displayed here. After doing so, enter your answer rounded to the nearest $0.01 or 0.01%, or 2 decimal places.

Use this app if you need assistance.


Activity #3

Exercises on Percentage

Read carefully the information below and solve the problems that follow.

A school held several evening activities last month—a music concert, a basketball game, a drama play, and literacy night. The music concert was attended by 250 people. How many people came to each of the other activities?

(1). Attendance at a basketball game was 30% of attendance at the concert.

(2). Attendance at the drama play was 140% of attendance at the concert.

(3). Attendance at literacy night was 44% of attendance at the concert.

(4). 50% of the people who attended the drama play also attended the music concert. What percentage of the people who attended the music concert also attended the drama play?


Challenge #1

A restaurant has a sign by the front door that says, “Maximum occupancy: 75 people.” Answer each question and explain or show your reasoning.

(1). What percentage of its capacity is 9 people?

(2). What percentage of its capacity is 51 people?

(3). What percentage of its capacity is 84 people?


Challenge #2

During a sale, every item in a store is 80% of its regular price. The regular prices of five items are shown here. Find the sale price of each item.


Challenge #3