Quadrilaterals
Polygons
Addition
Subtraction
Random!!
100
This quadrilateral has four sides that are all the same length and four right angles (vertices).
A square
100
What is a polygon?
A 2D shape with straight sides that is closed.
100
40 + 10 = ?
50
100
I started at 50 and took away 20. What number am I on now?
30
100
What is the hard bump on a chicks beak?
The egg tooth.
200
This shape has four sides and looks like a stretched-out square with two long sides and two short sides. It also has four right angles.
A rectangle
200
This polygon has 3 sides and 3 vertices.
A triangle.
200
If you start at 37, what friendly number do you get when you add 3?
40
200
If I subtract 25 from a friendly number and get 75, what number did I start with?
100
200
What is the first crack in a chicks shell called?
The pip (hole)
300
This shape looks like a diamond.
A rhombus
300
This polygon has 6 sides and 6 vertices.
A hexagon
300
Add these two friendly numbers: 30 + 50 = ?
80
300
90 − 40 = ?
50
300
The place where two edges of a shape meet is called a...
A vertex (vertices) or corner.
400
This quadrilateral has only has one pair of parallel sides.
A trapezoid.
400
This shape has 5 straight sides, 5 vertices, and looks like a house.
What is a pentagon?
400
I added 26 and got 50. What number did I start with?
24.
400
86 − 29 = ? Use a friendly number strategy to solve.
57
400
What is this called? What specific type is it?
V Comb
500
This shape has two sets of parallel sides, and it looks like a slanted rectangle.
What is a parallelogram?
500
This polygon has 8 sides and can look like a stop sign.
What is an octagon?
500
I want to add 47 + 25. First, I round 47 to the nearest friendly number. What would this be?
50.
500
You know that 100 − 43 = 57. Use that fact to solve: 99 − 43 = ?
56
500
What is the upper, middle fin on a salmon's back?
The dorsal fin