Area and Perimeter Complex Shapes
85 Topics, 4 Skills
Parallelogram - With Distraction
Topic 1
Parallelogram - With Distraction
Topic 2
Rectangle - Missing Square Corner
Topic 3
Trapezoid
Topic 4
Rectangle - Missing Square Corner
Topic 5
Right Triangle
Topic 6
Non-Right Triangle
Topic 7
Parallelogram - With Distraction
Topic 8
Trapezoid
Topic 9
Trapezoid
Topic 10
Rectangle - Missing Square Corner
Topic 11
Trapezoid
Topic 12
Non-Right Triangle
Topic 13
Triangle
Topic 14
Parallelogram
Topic 15
Trapezoid
Topic 16
Trapezoid
Topic 17
Kite
Topic 18
Parallelogram
Topic 19
Trapezoid Setup - Average of Uneven Sides
Topic 20
Trapezoid Setup - Average of Uneven Sides
Topic 21
Trapezoid Setup - Average of Uneven Sides
Topic 22
Trapezoid
Topic 23
Parallelogram
Topic 24
Right Triangle - On Grid - Image to Area
Topic 25
Parallelogram
Topic 26
Non-Right Triangle
Topic 27
Right Triangle - On Grid - Image to Area
Topic 28
Area of an Obtuse Triangle - Image
Topic 29
Right Triangle
Topic 30
Rectangle - Missing Square Corner
Topic 31
Area of an Obtuse Triangle - Image with Extra Dimensions
Topic 32
Area of an Acute Triangle - On Grid - Image to Area
Topic 33
Area of an Obtuse Triangle - On Grid - Image to Area
Topic 34
Area of an Obtuse Triangle - Section of Right Triangle
Topic 35
Area of an Obtuse Triangle - Section of Right Triangle With Extra Dimensions
Topic 36
Right Triangle - Center of Rectangle (from Dimensions)
Topic 37
Right Triangle - Center of Square (from Dimensions)
Topic 38
Right Triangle - Center of Square (from Area)
Topic 39
Right Triangle - On Grid - Image to Area
Topic 40
Right Triangle - Center of Square (from Perimeter)
Topic 41
Area of an Obtuse Triangle - Image
Topic 42
Area of an Acute Triangle - Center of Rectangle (from Dimensions)
Topic 43
Area of an Obtuse Triangle - Image with Extra Dimensions
Topic 44
Area of an Acute Triangle - Center of Square (from Dimensions)
Topic 45
Area of an Acute Triangle - On Grid - Image to Area
Topic 46
Area of an Acute Triangle - Center of Square (from Area)
Topic 47
Area of an Obtuse Triangle - On Grid - Image to Area
Topic 48
Area of an Obtuse Triangle - Section of Right Triangle
Topic 49
Area of an Acute Triangle - Center of Square (from Perimeter)
Topic 50
Area of an Obtuse Triangle - Center of Rectangle (from Dimensions)
Topic 51
Area of an Obtuse Triangle - Section of Right Triangle With Extra Dimensions
Topic 52
Right Triangle - Center of Rectangle (from Dimensions)
Topic 53
Area of an Obtuse Triangle - Center of Square (from Dimensions)
Topic 54
Area of an Obtuse Triangle - Center of Square (from Area)
Topic 55
Right Triangle - Center of Square (from Dimensions)
Topic 56
Area of an Obtuse Triangle - Center of Square (from Perimeter)
Topic 57
Right Triangle - Center of Square (from Area)
Topic 58
Right Triangle - Center of Square (from Perimeter)
Topic 59
Area of an Obtuse Triangle - Image
Topic 60
Area of an Obtuse Triangle - Image with Extra Dimensions
Topic 61
Area of an Acute Triangle - Center of Rectangle (from Dimensions)
Topic 62
Area of an Acute Triangle - On Grid - Image to Area
Topic 63
Area of an Obtuse Triangle - On Grid - Image to Area
Topic 64
Area of an Acute Triangle - Center of Square (from Dimensions)
Topic 65
Area of an Obtuse Triangle - Section of Right Triangle
Topic 66
Area of an Obtuse Triangle - Section of Right Triangle With Extra Dimensions
Topic 67
Area of an Acute Triangle - Center of Square (from Area)
Topic 68
Right Triangle - Center of Rectangle (from Dimensions)
Topic 69
Right Triangle - Center of Square (from Dimensions)
Topic 70
Area of an Acute Triangle - Center of Square (from Perimeter)
Topic 71
Right Triangle - Center of Square (from Area)
Topic 72
Right Triangle - Center of Square (from Perimeter)
Topic 73
Area of an Obtuse Triangle - Center of Rectangle (from Dimensions)
Topic 74
Area of an Acute Triangle - Center of Rectangle (from Dimensions)
Topic 75
Area of an Acute Triangle - Center of Square (from Dimensions)
Topic 76
Area of an Obtuse Triangle - Center of Square (from Dimensions)
Topic 77
Area of an Acute Triangle - Center of Square (from Area)
Topic 78
Area of an Acute Triangle - Center of Square (from Perimeter)
Topic 79
Area of an Obtuse Triangle - Center of Rectangle (from Dimensions)
Topic 80
Area of an Obtuse Triangle - Center of Square (from Area)
Topic 81
Area of an Obtuse Triangle - Center of Square (from Dimensions)
Topic 82
Area of an Obtuse Triangle - Center of Square (from Perimeter)
Topic 83
Area of an Obtuse Triangle - Center of Square (from Area)
Topic 84
Area of an Obtuse Triangle - Center of Square (from Perimeter)
Topic 85
This topic is about calculating the area of obtuse triangles on a grid. It provides visual problems where the student must use the 1x1 squares on a grid to estimate the area of a given triangle. The level of focus is on understanding the concept connecting shapes, units of measurement, and calculation to calculate areas. This subject is part of a broader study unit on 'Triangle Area - Intro'.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Find the area of the triangle on this grid of 1x1 squares