Lesson 2-2 Example 4 2-2 Kaliska is playing a board game with her family. A $5 bill of the play...
4
2-2 Kaliska is playing a board game with her family. A $5 bill of the play money has two sides with a length of 12 centimeters and two sides with a width of 4 centimeters. What is the perimeter of a $5 bill? Understand Read the problem. Write what you know. A $5 bill has two sides that are 12 centimeters long and two sides that are 4 centimeters long.
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Transcript of Lesson 2-2 Example 4 2-2 Kaliska is playing a board game with her family. A $5 bill of the play...
2-2
Kaliska is playing a board game with her family. A $5 bill of the play money has two sides with a length of 12 centimeters and two sides with a width of 4 centimeters. What is the perimeter of a $5 bill?
Understand Read the problem. Write what you know. A $5 bill has two sides that are 12 centimeters long and two sides that are 4 centimeters long.
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Plan Pick a strategy. One strategy is to draw a diagram.
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Solve Add the lengths of the sides to find the perimeter.
12 + 12 + 4 + 4 = 32
The perimeter of a $5 bill is 32 centimeters.
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Check Use the formula.
(2 12) + (2 4) =
(24) + (8) = 32
(2 length) + (2 width) = perimeter of a rectangle