Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to make a true statement about these angles that add up to a straight angle. *Note: drawing not to scale. Source: Catherine Castillo
Read More »Measurement & Data
Area & Perimeter of a Rectangle
Directions: Using the digits 1-9 at most once each, create a rectangle with an area as close to 500 and a perimeter as close to 100 as possible. Source: Owen Kaplinsky
Read More »Area of a Rectangle
Directions: Using the digits 1 – 9, at most once each, fill in the blanks to make it so that the value for the area of the rectangle (in square units) is greater that the value for the perimeter (in linear units). What is the greatest difference you can find between the area and perimeter? What is the least difference …
Read More »Pocket Change
Directions: You have $1.00 in your pocket. You only have pennies, nickels, and dimes. You don’t have any quarters or other coins. What coins are in your pocket? Source: Andrew Gael
Read More »Got change for a dollar?
Directions: What is the largest amount in coins you can have and not be able to make change for a dollar without shorting yourself or cheating the other person? Source: Glenn Waddell
Read More »Pocket Change 3
Directions: You have $1.00 in change in your pocket. You have 15 coins. What coins do you have? Source: Andrew Gael
Read More »Pocket Change 2
Directions: You have the same number of pennies, nickels, and dimes in your pocket. You have $1.44. You don’t have any other coins or bills. How many of each coin do you have? Source: Andrew Gael
Read More »Rectangles: Maximizing Area
Directions: What is the greatest area you can make with a rectangle that has a perimeter of 24 units? Source: Robert Kaplinsky
Read More »Rectangles: Maximizing Perimeter
Directions: What is the greatest perimeter you can make with a rectangle that has an area of 24 square units? Source: Robert Kaplinsky
Read More »Squares: Perimeter v. Area
Directions: How can you tell which square is bigger: a square with a perimeter of 25 units or a square with an area of 25 square units? Source: Robert Kaplinsky
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