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California Academy of Science
Kinesthetic Astronomy: The Meaning of a Year
How many times have you traveled around the sun? Aspiring astronomers grasp what a year is and they differentiate between orbit and rotation by walking around the sun right within your classroom. Place a lamp in the center of the room to...
Curated OER
An Easier Way to Count: Using Groups of 10
Students explore their counting skills. In this counting instructional activity, students group objects in sets of 10 to practice counting them. Students also practice graphing the sets of objects they count. This...
Curated OER
More! A Lesson on Comparing
Students practice counting and comparing objects. In this math instructional activity, students view a Count on It! episode. Students examine the value of what they are counting. Students estimate number in groups of...
Curated OER
Estimation and Measurement
Get second graders outside to estimate and measure how long 800 meters is on their school campus. They then measure the actual distance in yards to see how close their estimate was. An interesting teaching idea!
California Academy of Science
Dry My Laundry!
Meant to be a pre-field trip lesson, this can also serve as a cute and simple activity to use when your little ones are learning about evaporation or surface area. The children cut tiny t-shirts out of paper towel material, wet them, and...
Curated OER
More Monkeys, Fewer Monkeys, Equal Monkeys
Students compare sets of objects. In this identification lesson, students inspect sets of monkeys and identify them as more, less, or equal to the other sets. Students observe a video clip discussing comparisons.
Curated OER
Sorting Candy
Lower graders sort and group objects by their different properties. They watch a video about sorting then, sort and organize candy in different groups. Students compare how others sorted their candy. Finally, they decide which group has...
Curated OER
Standard Units of Measure
Learners explore linear measurement. They choose appropriate measuring tools, measure three classroom items, and record their results. A class discussion ensues in which everyone decides the best way to present their data.
Curated OER
Sorting Gourds
Students discover different types of gourds. In this plant comparison lesson plan, students compare and contrast several types of gourds based on shape, color and texture. Students observe a video clip based on sorting...
Curated OER
Math is Everywhere: Part 2
Second graders identify shapes and measurements in everyday life. In this measurement lesson, 2nd graders locate rectangles in their classroom and use standard and nonstandard forms to measure them. Students view a video clip...
Curated OER
Tear + Net = Gross
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
Curated OER
Rectangles and Squares
Students identify two dimensional shapes in the school environment. In this basic shapes lesson, students watch a video about rectangles and squares. Students find examples shapes in their classroom and draw them. Students present their...