Recognize Angle Measure as Additive: CCSS.Math.Content.4.MD.C.7 - Common Core: 4th Grade Math
Card 0 of 12
Solve for x.
Solve for x.
The angle is a straight line. A straight line is 
. To find the missing angle we subtract.
The angle is a straight line. A straight line is
Compare your answer with the correct one above
Solve for x.
Solve for x.
To find the value of x we subtract.
To find the value of x we subtract.
Compare your answer with the correct one above
Solve for x.
Solve for x.
To find the value of x we subtract.
To find the value of x we subtract.
Compare your answer with the correct one above
Solve for x.
Solve for x.
To find the value of x we subtract.
To find the value of x we subtract.
Compare your answer with the correct one above
Solve for x.
Solve for x.
To find the value of x we subtract.
To find the value of x we subtract.
Compare your answer with the correct one above
Solve for x.
Solve for x.
To find the value of x we add both of the known angles together.
To find the value of x we add both of the known angles together.
Compare your answer with the correct one above
Find the value of x.
Find the value of x.
When we have an angle with a square symbol in the corner, that means we have a right angle, or a 
angle.
When we have an angle with a square symbol in the corner, that means we have a right angle, or a
Compare your answer with the correct one above
Solve for x.
Solve for x.
To solve for x we subtract.
To solve for x we subtract.
Compare your answer with the correct one above
Solve for x.
Solve for x.
To solve for x we subtract.
To solve for x we subtract.
Compare your answer with the correct one above
Solve for x.
Solve for x.
Because of the square in the corner of the angle we have a 
angle. To find the missing piece of the angle we subtract.
Because of the square in the corner of the angle we have a
Compare your answer with the correct one above
If we wanted to make this angle into a straight line, how many more degrees would we need to add?
If we wanted to make this angle into a straight line, how many more degrees would we need to add?
A straight line has a measurement of 
. We can subtract to find how much more we'd need to have a straight line.
A straight line has a measurement of
Compare your answer with the correct one above
If we wanted to make this angle into a right angle, how many more degrees would we need to add?
If we wanted to make this angle into a right angle, how many more degrees would we need to add?
A right angle has a measurement of 
. To find how much more we would need to add we subtract.
A right angle has a measurement of
Compare your answer with the correct one above