Using up Digits

Can you find a multiplication sentence using the digits 1, 2, 3, 4, 5, and 6 such that the product is closest to a certain number?

Missing Numbers

Find the numbers represented by each letter in the puzzle.

Boxes in Boxes

Determine how many boxes are empty.

Calendar Math

When does the product of the month number times the day number equal the last two digits of the year?

Nails in a Pail

Determine how much a pail and nails weigh.

Factor Five

Examine numbers with exactly five factors.

Multiple Dozens

Write the largest multiple of 12 given certain restrictions.

What is This Point?

Determine the properties associated with a special point inside a triangle.

Triangle in a Quadrilateral

Given the ratio of a quadrilateral’s length to width, find the ratio of the area of a special shaded region to the area of the quadrilateral.

Transforming Triangle

What is the perimeter of a rectangle formed from an equilateral triangle?