In this Christmas math puzzle instructional activity, students place the numbers 1, 2, 3, 4, and 5 in the bottom row of ornaments on the Christmas tree. They complete the next layers by adding two numbers below each ornament. They...

In this secondary mathematics instructional activity, students use logical thinking and the five clues to determine who will receive which Christmas gift.  The one page instructional activity contains one problem.  Answer is...

In this geometry activity, 10th graders use the given clues to determine which of Santa’s elves dressed in which color and made which toy.  The one page activity contains one problem with twenty-four clues.  Answer provided.