decimal subtraction
decimals addition
decimal multiplication
angles
100

Subtract 20.6 from 35.6

What is 15

100

Add 15.3 to 50.3

What is 65.6

100

Multiply 1.1 and 2.2

What is 2.42

100

An angle that is 90 degrees

What is a right angle

200

Subtract 30.1 from 52.5.

What is 22.4?

200

Add 42.34 to 90.6

What is 132.94

200

Multiply 25.25 and 25.25

What is 637.5625

200

An angle that is less than 90 degrees

What is an acute angle

300

Subtract  56.7 from 83.52

What is 26.82

300

Add 456.98 to 789.07

What is 1246.05

300

multiply 2.98 and 34.89

What is 103.9722

300

An angle that is 180 degrees

What is a straight angle

400

Subtract 106.32 from 2,093.654

What is 1,987.334

400

Add 54.090926 to 43.8293534

What is 97.9202794

400

Multiply 165.6982 and pi 

What is ∞

400

An angle that is more than 90 degrees

what is an obtuse angle

500

2Subtract 532.895 from 498.54

What is -34.355

500

Add 1,000,000,000.4327 to 8,000,987.6098

What is 1008000988.04?

500

Multiply 1.678 and 19.6

What is 32.8888

500

An angle upside down

What is a reflex angle