Topic: Estimation

Grade Level Category: 4-6

Strategies: Open-Ended Questions

Objective Being Assessed:
The objective being assessed is the ability of the student to estimate real-world problems as they go on a make-believe shopping trip.

Materials Required:
"Why Estimate?" worksheet calculators (For self-evaluation)

Description of the Activity:
The teacher will introduce the class to the concept of how important estimating is in the wonderful world of shopping. Students will individually work on their estimations, making sure they write out if their estimation makes sense to them and any other thought processes occuring. They can check their own estimates using a calculator.

Reproducible Page:
See attached page

Scoring Rubric:
Each student worksheet will be assessed with the following rubric:

• 2. Full understanding of assignment and/or objectives. Assignment is complete and correct.
• 1. Attempts assignment, but does not follow through to completion or attempt does not show understanding.
• 0. No attempt to complete assignment.

Management Tips:
Students should be familiar with mental math activities and the use of a calculator.

Reference of Sources:
Worksheet taken from Mental Math for Middle and Upper Grades, Frank Schaffer Publications, Inc.



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