Missing Numbers
Find the numbers represented by each letter in the puzzle.
Author Archive for: corrill
Entries by InterMath
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?
Bouncing Barney
Follow Barney’s walking pattern to determine how many times he will reach a wall before returning to his starting point.