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4th grade math
Place value
Addition, subtraction, and estimation
Multiply by 1-digit numbers
Multiply by 2-digit numbers
Division
Factors, multiples and patterns
Equivalent fractions and comparing fractions
Add and subtract fractions
Multiply fractions
Understand decimals
Plane figures
Measuring angles
Area and perimeter
Units of measurement
Math
Measuring an...
Explore measuring angles by using protractors to recognize acute, obtuse, and right angles and learn to compare and classify them in engaging activities.
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VIDEOS
Angle measurement & circle arcs
Khan Academy
1th - 5th Grade
10 Qs
Angles in circles word problem
4th - 8th Grade
Measuring angles with a circular protractor
Measuring angles in degrees
Measuring angles using a protractor
5th - 8th Grade
Constructing angles
5 Qs
Measuring angles using a protractor 2
Decomposing an angle
7 Qs
Decomposing angles
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