Wanted Dead or Alive...How Big Is it?

Students use their feet to measure distance between themselves and a tree trunk.  For this distance lesson, students use the number of steps, and string to measure distances and height of the tree.  Students can get the tree...

Help young scientists connect with nature and learn about trees with a fun life science lesson. Heading out into the school yard, children choose a tree to adopt, taking measurements, writing descriptions, and drawing sketches of it in...

Choose to supplement your probability unit with this resource and you won't be disappointed with the outcome. Teach young mathematicians to organize information using tree diagrams and lists in order to determine the possible outcomes of...

Double the dog ears, double the fun. Five problems provide increasing challenges with non-linear growth. Topics include dog ears, family trees and population data, and geometric patterns.  

Have young mathematicians subtracting fractions in no time with this manipulative-based math lesson. Using their sets of fraction circles, learners explore a number of word problems involving the subtraction of fractions before working...

Rounding numbers can be fun using this game. Learners estimate and round numbers to the tens, hundreds, and thousands using this presentation. What a clever way to review this concept.

Use this presentation to focus on division skills. Learners answer division questions involving one, two and three digits. There are also word problems to foster critical-thinking skills. 

Are your students learning about solving word problems involving multiplication? If they are, then this video could be a perfect complement to your lesson. Sal shows students how to use rounding to estimate the product of a double-digit...

Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...

Measure a tree? Yes, measure a tree! Students get outside and measure a tree's trunk, crown, and height. Each group compares their answers to determine if any re-measuring is necessary. Once back in the classroom, students make bar...