Parallelograms (including rectangles and squares)
A square has a side length of 8 centimeters. What is the perimeter?
Perimeter = add up all the side lengths
8+8+8+8 = 32 centimeters
What is the formula for the area of a trapezoid?
1/2 * (base1 + base2) * h
or
(base1 + base2) * h all divided by 2
What is the formula for area of a triangle?
Area of a triangle = 1/2 * base * height
or
Area = (base * height) ÷ 2
A circle has a radius of 10 cm. What is the length of the diameter?
Diameter is two times the length of the radius.
20 cm
Do the days get longer or shorter in the spring?
they get longer
A rectangle has side lengths of 9.2 inches and 6.4 inches. What is the area of the rectangle?
Area of a rectangle = base * height
=9.2 * 6.4
=58.88 inches squared
Find the area of the trapezoid:
base1 = 4 feet
base2 = 9 feet
height = 3 feet
Area = 1/2 * (base1 + base2) * h
Area = 1/2 * (4 + 9) * 3
Area = 19.5 feet2
True or false: The base and the height must make a 90 degree angle with each other.
TRUE!!!! Base and height should form a right angle.
A circle has a radius of 18 inches. What is the circumference?
C = 2*3.14*18
113.04 inches
or
18π inches
In Spring, baby birds learn to _______.
sing!
A square has an area of 81 square feet.
What is the measurement of each side length of the square?
11 feet
A trapezoid is 5 inches tall. The bases have measurements of 10 inches and 20 inches.
Find the area of the trapezoid.
Area of a trapezoid = 1/2 * ( 10 + 20) * 5
=75 inches squared
A triangle has a base of 12 feet and a height of 12 feet.
What is the area of the triangle?
A circle has a radius of 13 inches. What is the area of the circle?
Area = 3.14 * 13 * 13
530.66 inches squared
or
169π inches squared
When it is spring in North America, what season is it in Australia?
Autumn
A garden has side lengths of 42 feet and 26 feet.
You want to put lights around the perimeter of the garden. If each box of lights can cover 10 feet, how many boxes should you buy?
Perimeter of garden = 42 + 42 + 26 + 26
=136 feet
136 feet ÷ 10 feet per box = 14 boxes
What is the area of a trapezoid?
84 feet squared
A triangle has a base of 1/4 meters and a height of 1/3 meters. What is the area of the triangle?
1/24 meters squared
or
0.0417 meters squared
A circle has a diameter of 13 meters. What is the area of the circle?
Area = π * 6.5 * 6.5
132.665 meters squared
In Japan, the start of spring is when this flower opens
cherry blossoms or sakura
One of the display boards in Times Square has a screen size of 11,393 feet2. If the width of the board is 160 feet, find the height.
Area = 11393 ft2
11393 = 160 * h Divide both sides by 160
11393÷160 = h
The height is 71.2 feet
A trapezoid has two bases with the lengths of 6 feet and 4 feet. If the height is 15 inches, what is the area of the trapezoid?
900 inches squared
A triangle has a height of 32 inches and a base of 24 inches. What is the area of the triangle?
384 inches squared
A circle has an area of 78.5 feet squared. What is the length of the radius?
Use 3.14 for pi
78.5 = 3.14 * r2
5 feet
According to the National Association of Realtors, spring is the most popular season to buy a ______.
house