Brain Teasers
If 3 + 5 = X -2, What number does X represent.
What is 10?
This measures the outside of shape
What is perimeter
What is a right angle
What is a circle
A straight line that passes through the center of a circle from one side to the other
What is diameter
What number would you subtract from 24 so that the answer is the same as the number you subtracted
What is 12
This measures the inside of a shape
An instrument used to measure angles
What is a protractor
This shape has 5 sides
What is a pentagon
The distance around a circle
What is circumference
4 + (B x 2) - 8 = 12
What number does letter B represent to make the problem true
What is 8
This is the how you calculate perimeter
What is Length + Length + Width + Width or Add up all sides
This measures at 180 degrees
This shape has 6 sides
What is a hexagon
The straight line from the midpoint of the circle to the endpoint/edge of a circle
Shanika is 7 years old and Kyle is 10 years old. In ___ years the sum of their ages will be 25.
What is 4 years
What is Length x Width
True or False, a triangle has at least 2 acute angles
What is True
These types of shapes are named after the number of sides they have
What are Polygons
True or False, the radius is half of the diameter
What is True
Danielle exercises for 50 minutes, which is twice as long as her sister Jessica exercises. If their brother Steve exercises 10 minutes more than three times as long as Jessica, how long does Steve exercise (in minutes)
What is 85 minutes
What is split the figure into two separate quadrilaterals, find the area of each one, then add those areas together
This is when an angle or line is divided
What is bisect
These types of shapes have 4 sides that can be different shapes
What are Quadrilaterals
True or False, the diameter can exist without passing through the midpoint of the circle
What is false