Show:
Addition
Subtraction
Multiplication
Division
Angles
100

193+216

409

100

752-456

296

100

44x4

176

100

515/5

103

100

What angle is less than 90 degrees? 

Acute Angle

200

262+452=

714

200

546-831

285

200

71x8

568

200

345/3

115

200

What angle is equal to 90 degrees?

Right angle

300

256 + 378

634

300

952-652

300

300

162x7

1134

300

637/7

91

300

What angle is more than 90 degrees, and less than 180 degrees?

Obtuse angle

400

561+ 2465

3026

400

1049-369

680

400

217x34

7378

400

3468/3

1156

400

What angle is exact 180 degrees?

Straight angle

500

29854+6476

363300
500

13456-4682

8774

500

672x98

65856

500

62368/4

592

500

What angle is 360 degrees?

Full angle