Illustrative Mathematics
Longer and Heavier? Shorter and Heavier?
For many young children it seems obvious that longer objects are heavier than shorter objects. This assumption is put to the test as the class investigates the relationship between length and weight in a whole-group activity. Using a...
Curated OER
Discovering Math: Beginning Measurement
Young mathematicians are shown a ruler, yardstick, tape measure and scale. They practice measuring length, width, height, and weight. They are then shown a thermometer, and discuss what a thermometer is used for. Everyone is shown how to...
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Measure
Students are asked what activities or things that they do each day. They are then asked do you do that in the morning, afternoon, or night? Students are then asked which of those things do you do first, second, third, and etc.
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Piglets
Students are asked have they ever seen a pig? They are asked what are young pigs called? Students are given the Pigs Display Sheet. They see that on the sheet there are two piglets and their mother. Students are told that mother pigs are...
Curated OER
The 35mm Camera Lesson
Ninth graders explore the 35mm camera. They discuss and identify the various parts and characteristics of the 35 mm camera. Students examine the two aspects of a 35 mm camera that control the light.