Circles I
The line on a circle that goes from the center point to the edge.
What is radius?
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How much is pi 𝜋?
What is 3.14 or 3?
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The distance around a shape.
a) perimeter/circumference
b) volume
c) area
What is a) perimeter/circumference?
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How many sides are in a triangle?
What is 3?
What comes next?
0, 3, 6, __, 12, 15
What is 9?
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The line on a circle that goes from one edge, through the center point, to the other edge.
What is the diameter?
What is the distance around a circle called?
What is the circumference?
A rectangle has a base of 4 cm and a height of 3 cm. How much is the area?
What is 12 cm²?
What does the b stand for in the formula for the area of a triangle?
A = bh/2
What is base?
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What comes next?
10, 13, 16, __, 22, 25
What is 19?
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The relationship between the radius and the diameter.
a) The radius is twice the diameter
b) The radius is half of the diameter
c) The diameter is half of the radius
What is b) The radius is half of the diameter?
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What is the formula for the circumference of a circle?
What is (2 𑛀 𝜋 𑛀 r) or (𝜋 𑛀 d)?
What is the formula for the area of a rectangle?
What is Area = base 𑛀 height
What is the formula for the area of a triangle?
Area = __ 𑛀 h /2
What is base or b?
What comes next?
28, 31, 34, __, 40, 43
What is 37?
If the Diameter is 4, how much is the radius?
What is 2?
What is the formula for the area of a circle?
What is (𝜋 𑛀 r²)?
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A rectangle has a base of 3 cm and a height of 2 cm. How much is the area?
What is 6cm²?
A triangle has a base of 4 cm and a height of 3 cm. How much is the area?
What is 6 cm²?
What comes next?
6, 12, 18, __, 30, 36
What is 24?
If the radius is 4, how much is the diameter?
What is 8?
A circle has a radius of 2 cm. How much is the area? (Use 3 for pi 𝜋)
A = 𝜋 𑛀 r²
or
A = 𝜋 𑛀 r 𑛀 r
What is 12 cm²?
The space inside of a shape.
a) perimeter
b) circumference
c) area
What is c) area?
A triangle has a base of 3 cm and a height of 2 cm. How much is the area?
What is 3 cm²?
What comes next?
7, 14, 21, __, 35, 42
What is 28?