How Many Bears in the Forest?

Scale up your lessons with a performance task. Young data analysts work through an assessment task on scaled bar graphs. They answer questions about a given scaled bar graph on favorite colors, analyze a bar graph to see if it matches...

Here's an assessment task that's better than watching a show. Young mathematicians solve word problems involving multiplication and division with equal groups. They must find the total number of attendees on a trip to a theater based on...

Help learners discover methods to estimate animal population. They will participate in a simulation of catching and tagging fish in order to estimate the fish population. They scoop and count goldfish crackers, record data, and use...

Students explore biological impact by completing a worksheet in class. In this animal population lesson plan, students utilize river rocks and jars to conduct a coqui frog population role play activity. Students define a list of...

Students  compare deciduous and evergreen trees. In this tree lesson, students list the differences between these two species of trees.

In this addition worksheet, students add 5 sets of one to three digit numbers. Students determine which numbers in a word problem need to be added and they find the sum of those numbers.

Have you ever wanted to take a short cut? How about when doing your math homework? In this experiment you can learn how estimation can save you time doing math calculations. But beware, some estimations are better than others. Can you...

A math and science worksheet prompts learners to simulate how scientists determine populations of animals out in the wild. They use goldfish crackers, paper bags, and a styrofoam cup as their tools. An excellent cooperative group activity!

In this Singapore Math grade 3 worksheet, students complete 20 word problems using money, time, volume, mass and length. An answer key is included.

This QuickTime movie discusses sampling of a population using M&M's candy. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.