Subtracting Fractions
Adding Fractions
Subtracting Mixed Numbers
Adding Mixed Numbers
Angles
100

9/10-3/10

What is 6/10 ?

100

3/12+8/12

What is 11/12 ?

100

75/6-22/6

What is 53/?

100

2 4/6 + 7 1/6

What is 95/6 ?

100

An angle that measures exactly 90 degrees.

What is a right angle?

200

8/11-1/11

What is 7/11 ?

200

5/10+1/10

What is 6/10 ?

200

109/12-38/12

What is 71/12 ?

200

113/9+55/9

What is 168/9 ?

200

An angle that measures less than 90 degrees.

What is an acute angle?

300

4/8-1/4

What is 2/8 ?

or

What is 1/4 ?

300

1/2+1/4

What is 3/?

300

193/4-111/2

What is 81/4 ?

300

77/10+83/10

What is 1510/10 

or

What is 16?

300

An angle that measures greater than 90 degrees, but less than 180 degrees.

What is an obtuse angle?

400

56/100-31/100

What is 25/100 ?

400

5/6+1/6

What is 6/?

or 

What is 1 ?

400

75/8-72/8

What is 3/?

400

52/4+73/4

What is 125/4 ?

or 

What is 131/4 ?

400
An angle that measures greater than 180 degrees but less than 360 degrees.  

What is a reflex angle?

500

6/10-25/100

What is 35/100 ?

500

7/12+7/12

What is 14/12 ?

or

What is 12/12 ?

500

48/10-12/5 

What is 34/10 

or

What is 32/?

500

153/5+43/5

What is 196/5 ?


or 

What is 201/5 ?


500

An angle that measures exactly 180 degrees.

What is a straight angle?