Back to Recognize angle measure as additive — Problem 3 · Task Set 25
Exercises: Recognizing Angle Measure as Additive
Work through each section in order. For every unknown-angle problem, write an equation
with a symbol for the unknown, solve it, and check that the parts add up to the whole.
Grade 4·23 problems·~30 min·Common Core Math - Grade 4·standard·4-md-c-7
Work through problems with immediate feedback
A
Fluency Practice
1.
A 20-degree angle is placed next to a 35-degree angle with no overlap, sharing one ray. What is the measure of the combined angle?