Double Trouble

Find a number that fits the description.

Family Math

How old are a mother and son?

Largest Combination

Find the largest possible value of a given expression.

Summing to 100

Use the numbers from the given list no more than once to obtain a sum of 100.

Number Machine

What will the machine give me if I put in 100?

Bouncing Ball

How many times does the special bouncing ball hit the ground?

Nails in a Pail

Determine how much a pail and nails weigh.

Integer Function

Find the smallest integer for which an expression results in an integer.

Unknown Distance

Determine the distance between two points.

Choosing Salaries

Your principal wants to hire you to work for her for ten days. Determine which way would you earn the most money.