Caterpillar Line Up (Ordering by Length)

Lesson Overview

In this lesson, first-grade students will learn to compare the lengths of three objects using direct comparison, specifically focusing on caterpillars. They will practice ordering the caterpillars from shortest to longest and longest to shortest, developing their understanding of length as a measurable attribute.

Duration

Less than 1 hour

Lesson Type

Traditional Lesson

Essential Question

"How can we tell which object is longer or shorter than another?"

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Other Instructional Materials or Notes:

Math
- Measurement, Time and Money

Materials:

Cut-out caterpillar images (Three different lengths per student or group, ideally laminated for reuse. These have been supplied in the resources tab).
Worksheet with space for ordering caterpillars (Linked in the Resources tab).
Optional: Real-life objects of different lengths (pencils, crayons, straws)
Optional: Glue sticks, scissors, and construction paper if you wish to have students create a craft showing the caterpillars from shortest to longest or vice versa.

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Standards

1.MGSR Measurement, Geometry, and Spatial Reasoning
- 1.MGSR.1 Describe, estimate, measure, and compare objects in real-world situations using units of length, weight, money, and time
  - 1.MGSR.1.1 Order three objects by length from shortest to longest and longest to shortest using direct comparison

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