Geometry - Angles and Transformations - Intro

65 Topics, 3 Skills

Measure Angle With Protractor - Under 90 Degrees (Positive)

Topic 1

Measure Angle With Protractor - Under 180 Degrees (Positive)

Topic 2

Measure Angle With Protractor - Under 90 Degrees (Positive)

Topic 3

Measure Angle With Protractor - Under 90 Degrees (Negative)

Topic 4

Measure Angle With Protractor - Under 180 Degrees (Negative)

Topic 5

Measure Angle With Protractor - Under 90 Degrees (Floating)

Topic 6

Measure Angle With Protractor - Under 180 Degrees (Floating)

Topic 7

Comparing Angle Measurements and Diagrams

Topic 8

Acute, Obtuse, Right or Straight - First Time

Topic 9

Acute, Obtuse, Right or Straight

Topic 10

Is Angle Acute, Obtuse, Right, or Straight (one option)

Topic 11

90, 180, or 270 Degrees

Topic 12

Estimating (degrees) With Reference

Topic 13

Estimating (degrees)

Topic 14

Measure Angle With Protractor - Under 90 Degrees (Negative)

Topic 15

Measure Angle With Protractor - Under 180 Degrees (Negative)

Topic 16

Measure Angle With Protractor - Under 90 Degrees (Floating)

Topic 17

Measure Angle With Protractor - Under 180 Degrees (Floating)

Topic 18

Comparing Angle Measurements and Diagrams

Topic 19

Is Angle Acute, Obtuse, Right, or Straight (one option)

Topic 20

Acute, Obtuse, Right or Straight (Reversed)

Topic 21

Estimating (true/false)

Topic 22

Estimating (true/false)

Topic 23

Estimating (degrees) With Reference

Topic 24

Estimating (degrees)

Topic 25

Estimating - Reversed With Reference

Topic 26

Estimating - Reversed

Topic 27

Sum of Inside Angles on a Shape

Topic 28

Equation to Find the Missing Angle on the Triangle

Topic 29

Missing Angle on the Triangle

Topic 30

Identical Angle on the Kite

Topic 31

Missing Angle on the Parallelogram

Topic 32

Naming - Diagram to ABC Form on an Angle

Topic 33

Naming - Diagram to ABC Form on a Triangle

Topic 34

Naming - ABC Form to Degrees on a Triangle

Topic 35

Sum of Inside Angles on a Shape

Topic 36

Missing Angle on the Trapezoid

Topic 37

Estimating - Reversed With Reference

Topic 38

Estimating - Reversed

Topic 39

Rule for a Missing Angle on the Triangle

Topic 40

Equation to Find the Missing Angle on the Triangle

Topic 41

Missing Angle on the Triangle

Topic 42

Identical Angle on the Parallelogram

Topic 43

Missing Angle on the Triangle

Topic 44

Naming - Diagram to ABC Form (Simple) on an Angle

Topic 45

Naming - Diagram to ABC Form (Simple) on a Triangle

Topic 46

Naming - Degrees to ABC Form (Simple) on a Triangle

Topic 47

Naming - Degrees to ABC Form on a Triangle

Topic 48

Missing Angle on the Parallelogram

Topic 49

Missing Angle on the Kite

Topic 50

Missing Angle on the Kite

Topic 51

Missing Angle on the Parallelogram

Topic 52

Missing Angle on the Kite

Topic 53

Transformations - Identify Reflections

Topic 54

Transformations - Identify Translations

Topic 55

Equation to Find the Missing Angle on the Triangle

Topic 56

Missing Angle on the Trapezoid

Topic 57

Missing Angle on the Kite (Two Missing)

Topic 58

Sum of Inside Angles on a Shape

Topic 59

Transformations - Identify Type - First Time

Topic 60

Transformations - Identify Rotations

Topic 61

Transformations - Identify Type

Topic 62

Missing Angle on the Trapezoid

Topic 63

Missing Angle on the Kite (Two Missing)

Topic 64

Missing Angle on the Kite (Two Missing)

Topic 65

Missing Angle on the Parallelogram

Level 1

This math topic focuses on finding the missing angles in parallelograms. It emphasizes the geometric property that the sum of the interior angles of a parallelogram is always 360 degrees. Each problem presents a diagram of a parallelogram, where students are required to apply their understanding of angles to determine the missing measurement. The problems are structured to reinforce the concepts of angle relationships and arithmetic within the context of geometry, particularly as part of an introductory unit on angles and transformations.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Missing Angle on the Parallelogram

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Find the missing angle of the parallelogram given that the interior angles must add up to 360°

40?