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Comparing
More Than, Less Than, Same: Representational Level
More
Teaching Plans on this topic: Concrete
Introduction
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Phase
1
Initial
Acquisition of Skill
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Phase
2
Practice
Strategies
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Math Skill/Concept: Comparing
two groups (more than, less than, same) by drawing pictures that
represent concrete materials.
Prerequisite Skills:
- One to one correspondence
Although counting is not a necessary skill to be able to match items one to one, these teaching plans do contain several counting activities. If a student cannot count items up to 10, it is recommended that the teacher provide additional scaffolding during these activities.
Learning Objectives:
1) Identify if a given group of concrete objects has more than, less than, or the same number when compared to a group of representations of concrete objects.
2) Identify if a given group of representations of objects has more than, less than, or the same number when compared to another group of representations.
3) Create a group with more than, less than, or the same number of representations as a given group of representations.
Important Ideas for Implementation:
1) Explicitly link concrete objects to their representations.
2) Teach students an easy way to draw representations of concrete objects (e.g. crayon dots).
3) Color code similar characteristics of numerals (e.g. straight lines of 1, 4, 7) .
4) Point out distinguishing characteristics between numerals (flat head seven, skinny one).
5) Model estimation
6) Reinforce moving from left to right when comparing groups
7) Associate more, less and same with drawings of groups
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