Multiplying and Dividing Decimal Numbers by 0.1, 0.01, and 0.001 3-Part Lesson

Have your students easily multiply and divide decimal numbers by 0.1, 0.01, and 0.001 with this resource. First, they will examine the rules for moving a decimal point within a number after multiplying and dividing by tenths, hundredths, and thousandths. Next, they will love playing a highly engaging World Cup game to further practice these skills. They may also enjoy playing the lottery game to determine who will walk away with the largest prize. Finally, they can consolidate their skills with a riddle worksheet. This is a great mental math activity before teaching your students to multiply by other decimal numbers or determine percentages of numbers.

Grade 5 Ontario Math Curriculum Expectation:

B2.3

use mental math strategies to multiply whole numbers by 0.1 and 0.01 and estimate sums and differences of decimal numbers up to hundredths, and explain the strategies used

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WHAT'S INCLUDED

• Tips Sheet: This detailed guide will provide a breakdown of each part of the lesson

• Getting Started: Your students will be led through an activity that helps them learn the patterns and rules of multiplying and dividing decimal numbers by 0.1, 0.01, and 0.001

• Working On It: A cooperative task in which students play a highly engaging World Cup game to practice multiplying and dividing by 0.1, 0.01, and 0.001

• Bonus Lottery Game: A partner task in which students practice multiplying and dividing by 0.1, 0.01, and 0.001 to see who wins the largest lottery prize

• Exit Ticket: Each student will independently complete a riddle worksheet.

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• Geometric Reasoning Bundle - Grade 5 Ontario Math Curriculum
• Identify and Construct Congruent Triangles, Rectangles, and Parallelograms
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