11) What is 3 x 4?
12) What is the spelling of the word 'twenty'?
13) What is the mathematical symbol for division?
14) What is the spelling of the number 683?
15) What is the area of a square with sides of length 4?
16) How many sides does a pentagon have?
17) How many prime numbers are between 30 and 40?
18) What is the spelling of the number 11,000?
19) What is the volume of a cube with sides of length 2?
20) If the perimeter of a triangle is 15, what is its area?