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Lesson objective: Apply the knowledge of the pattern when multiplying or dividing a number by 10: When you multiply a number by 10, the digits of the number shift one place value to the left; and when you divide a number by 10, the digits of the number shift one place value to the right.
This lesson provides an opportunity for students to apply their knowledge and understanding of the shift of the digits to a mathematical situation. Students are asked to solve clues to figure out a mystery number and create their own clues to a given number.
Key Concept students will use:
Skills students will use:
Students engage in Mathematical Practice 2 (Construct viable arguments and critique the reasoning of others) as they solve clues and explain reasoning in figuring out the mystery number.
Key vocabulary:
decimal
digit
hundredths
tenths
thousandths
Special materials needed: