Transcript Math_Study_Guide_Unit_2

14 cm
7 cm
7 cm
Perimeter = 33cm
5 cm
Try this…..
Find the perimeter of each figure below.
Click on the box to check you answer.
6 cm
14 inches
8 inches
2 cm
3 cm
2 cm
4 cm
14 + 14 + 8 +8 = 44 inches
3 cm
6 + 2 + 3 + 2 +3 + 4 = 20 cm
The area of a shape refers to the
space within the lines of the shape.
Area can be found by finding the
number of square units within a
shape.
1
3
2
4
Area = 8 sq units
5
6
7
8
Area of a square or rectangle can be found
by multiplying the length times the width.
8 cm
4 cm
Area = L x W or 8 cm x 4 cm = 32 sq cm
Try this…..
Find the area of each figure below.
Click on the box to check you answer.
7 inches
20 cm
7 inches
Area = 7 x 7 = 49 sq inches
8 cm
Area = 20 x 8 = 160 sq cm
An ANGLE is the amount of
turning between the two sides
of the angle.
Right Angle
Acute Angle
Obtuse Angle
90 degrees
Less than 90
degrees
More than 90
degrees
Click on the numbers one
through ten to identify
each type of angle.
2
1
3
4
7
5
1. acute
6
8
10
6. acute
9
2. obtuse
7. Right angle
3. Right angle
8. obtuse
4. acute
5. obtuse
9. obtuse
10.obtuse