HOT CHOCOLATE [DAY 5]
MULTIPLICATION & PROPORTIONAL REASONING
Explore proportional relationships through skip counting, repeated addition, multiplication, and more.
Intentionality
Math Talk
Purposeful Practice
Resources & Downloads
Educator Discussion Area
Intentionality & Unit Overview
Length of Unit: 6 Days
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Students will explore the idea of scaling in tandem with a ratio as a composed unit.
Intentionality…
The purpose of the Day 5 activities is to reinforce key concepts from Days 3 & 4. Students will engage in a string of related problems through a math talk and will have an opportunity to complete independent purposeful practice. The math talk and purposeful practice serve to develop a deeper understanding of the following big ideas:
- Unitizing;
- Ratio reasoning through scaling in tandem;
- The relationship between repeated addition and multiplication;
- The relationship between multiplication and division, particularly quotative division;
- A composed unit is one way of defining the relationship that exists in a ratio; and,
- The distributive property of multiplication over addition and over subtraction.
Math Talk
String of Related Problems
Here is the string of related problems for this math talk:
10 x 7
9 x 7
8 x 7
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You might consider recording student thinking on a number line.
Facilitator Notes
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Purposeful Practice
Working With Ratios: Ratio Tables
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Resources & Downloads
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Printable Lesson Plan PDF
Videos, Images & Media Files
Apple Keynote Presentation
Powerpoint Presentation
Printable Consolidation Prompts
Educator Discussion Area
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