Grade Level: This activity is
suitable for students in grades 3 - 6. However, second graders should be able
to complete the first puzzler.
Objective: Determine
the mystery number
Task: Write
down the numbers 0-9. Read each clue. Use the clues to eliminate numbers until
the mystery number is found.
Ways
to Utilize the Activity: This is a great starter activity
that emphasizes important math terms. Display this on your projector for
optimal quality and allow students to determine the mystery number. Then, as a
class, discuss ways to approach the task. Ask questions such as:
- How do you determine what numbers to eliminate with each new clue?
- What is another way to say, "not an odd number"?
- What does it mean to be "more than" or "less than" a number? Is the endpoint included or not included? Explain.
- What does it mean to be between two numbers? Are the endpoints included? Explain.
- What vocabulary do you need to know to eliminate numbers after reading this clue? (indicate a specific clue)
This number puzzler can be
included on a math menu or used on a menu of problem solving station
options.
Solutions: Puzzler
1 = 6, Puzzle 2 = 7, Puzzle 3 = 4
Challenge: Have
students create their own puzzlers. Increase the challenge by giving students
the mystery number in advance and having them develop a puzzler to arrive at
the mystery number.
Note: You
can download this freebie here.
