
Perimeter of irregular shapes
Flashcard
•
Mathematics
•
3rd - 4th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is perimeter?
Back
Perimeter is the total distance around the outside of a shape.
2.
FLASHCARD QUESTION
Front
How do you find the perimeter of an irregular shape?
Back
To find the perimeter of an irregular shape, add the lengths of all its sides together.
Tags
CCSS.3.MD.D.8
3.
FLASHCARD QUESTION
Front
If a shape has sides measuring 5 cm, 7 cm, and 3 cm, what is the perimeter?
Back
The perimeter is 5 cm + 7 cm + 3 cm = 15 cm.
Tags
CCSS.3.MD.D.8
4.
FLASHCARD QUESTION
Front
What is a missing side in a shape?
Back
A missing side is a side length that is not given but can be calculated using the perimeter.
Tags
CCSS.3.MD.D.8
5.
FLASHCARD QUESTION
Front
If the perimeter of a rectangle is 20 cm and one side is 6 cm, what is the other side?
Back
The other side is 20 cm - 6 cm - 6 cm = 8 cm.
Tags
CCSS.4.MD.A.3
6.
FLASHCARD QUESTION
Front
What is the formula for the perimeter of a rectangle?
Back
The formula is P = 2(length + width).
Tags
CCSS.4.MD.A.3
7.
FLASHCARD QUESTION
Front
If a triangle has sides of 3 cm, 4 cm, and 5 cm, what is the perimeter?
Back
The perimeter is 3 cm + 4 cm + 5 cm = 12 cm.
Tags
CCSS.3.MD.D.8
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