50 + 5 = ___
55
52 + 7 = ___
59
Would you use centimeters or meters to measure a car?
Meters
What is this shape?
Rectangle
or
Quadrilateral
13 + 11 + 5 =
29
100 + 6 = ___
106
35 + 43 = ___
78
Would you use yards or inches to measure a pencil?
inches
What is the same about all of these shapes?
They all have 4 sides.
They are all quadrilaterals.
They are all closed.
14 + 46 + 30 =
90
200 + 30 + 7 = ___
237
67 + 19 = ___
86
How long is the eraser?
7 centimeters
What is the name for this shape?
Pentagon
14 + 6 + 12 + 15 =
47
500 + ___ + 6 = 536
30
145 + 82 = ___
227
How many centimeters are in one meter?
100 centimeters
Are these polygons? Why or why not?
No. They are not closed shapes with straight lines.
32 + 51 + 64 + 10 =
157
965 = ___ + ___ + ____
900 + 60 + 5
364 + 287 = ___
651
What is the length of each line to the closest inch?
1. 2 inches/3 inches
2. 4 inches
3. 3 inches
4. 2 inches/3 inches
What do all polygons need to have?
1. Closed shape
2. Straight lines
3. Lines do not cross
154 + 119 + 135 =
408