Interactive
PBS

Nova Online: How Many Pearls? A Weight & Volume Game

For Students 3rd - 5th Standards
This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills...
Lesson Plan
PBS

Pbs Mathline: Sand Babies (Pdf) [Pdf]

For Teachers 3rd - 5th Standards
In this engaging lesson, students use a variety of measurement strategies in creating their own Sand Babies. Students explore standard and non-standard measurements, area, data collection and analysis, and graphing. Adaptations are...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Body Mass What's Your Index? (Pdf)

For Students 3rd - 8th Standards
If you like tackling formulas, then this math challenge is for you. See if you can calculate Helix's BMI (body mass index) and find out if his health is at risk. A one page NCTM Math Challenges for Families activity that engages learners...
Handout
Other

Metric Conversion Calculator and Charts

For Students 9th - 10th Standards
Metric Conversions offers online calculators for making conversions, downloadable tables in many types of metric conversion (pdf format), and free conversion tools to put onto your website or dynamic pages.
Interactive
PBS

Pbs Nova: How Big Were They?

For Students 3rd - 8th
Use the virtual scale to find out how much the Egyptian Obelisk weighs in elephants. Also, learn other interesting facts about the obelisks.