The answer is "a drill pickle".
This joke/riddle appeared on children's math worksheets in relation to solving riddles while trying to develop their math problem solving ability.
Math with pizzazz provide puzzle activities designed to allow students to create a joke or unscramble the answer to a riddle in the process of checking their answers.
The humor works as an incentive because the students don't get the punchline until they complete the exercises.
Want to practice your problem solving skills? Check out Steve and Janis Marcy's Algebra with Pizzazz.
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