Lesson plan based on Model Boat

Estimate, simulate, and compare the length of an ancient Egyptian boat using human rowers as units of measure.

Skills and Focus: Calculation, Measuring

Subject Area: Mathematics

Thematic Connection: Counting and Calculating

Grade Level: Middle School

Time Needed: 60 minutes

Objectives

• Use numerical ratios to measure an object of unknown size using an object of known size as a measuring tool.

Instructional Materials Needed

Activity

Step 1: Distribute copies of the model boat to each student. Have students measure the length of the boat and the distance from the hips to the top of the head of each rower.

Step 2: Distribute a copy of the mummy’s x—ray to each student. Students should measure the height of the mummy with the ruler and the height of the mummy’s torso and head. We know that the mummy was 5’5" tall. Ask students to use the ratio of torso and head: total height of the mummy to estimate the distance from his hips to the top of his head.

Step 3: Assuming the height derived in Step 2 is the same as the height of the rowers, students can use this height to estimate the total length of the boat.

Step 4: Using a yardstick, students can estimate the size of the boat compared to the classroom. Mark the outlines of the boat on the floor with masking tape, and arrange chairs for the student rowers (or have them sit on the floor).

Goals

This activity meets Illinois State Goal 6: Demonstrate and apply a knowledge and sense of numbers, including basic arithmetic operations, number patterns, ratios, and proportions.

This activity meets Illinois State Goal 7: Estimate, make, and use measurements of objects, quantities, and relationships and determine acceptable levels of accuracy.

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