Arithmetic

Do basic arithmetic:

125 + 375

1.05 * 12,000

7^3

Find square roots:

sqrt 1801

Fractions

Add fractions:

1/6 + 5/12 + 3/4

Multiply fractions:

3/8 * 2/7

Do exact arithmetic with fractions:

1/4 * (4 - 1/2)

Percentages

Convert a fraction to a percentage:

convert 1/6 to percent

Calculate a percentage of a quantity:

30% of 8 miles

Compute a discounted price:

$29.95 - 15%

Place Value

Show place values for a number:

place values of 6135

Find the value of a particular digit of a number:

value of the digit 3 in 23904

Mathematical Word Problems

Solve a word problem:

Rachel has 17 apples. She gives 9 to Sarah. How many apples does Rachel have now?

Rhonda has 12 marbles more than Douglas. Douglas has 6 marbles more than Bertha. Rhonda has twice as many marbles as Bertha has. How many marbles does Douglas have?