Interactive
Scholastic

Study Jams! Addition & Subtraction of Decimals

For Students 4th - 6th Standards
So current with preteens is the topic of downloading tunes into their computers! In a relatable lesson, viewers are taught to figure out if Zoe can afford to purchase two songs if she has $3.00 left to her credit. Mia talks them through...
Interactive
Royal Society of Chemistry

Significant Figures

For Students 6th - 12th
Ready to add some innovation to your significant figures lesson? Pupils practice sig fig rules using a puzzle approach. Check out the Teacher's Area for printable materials, an answer key, and strategies for implementing the resource.
Interactive
Curated OER

Changing Decimals to Percents

For Students 5th
For this online interactive worksheet, 5th graders change decimals to percents. They read a short explanation of the process then convert 12 decimal expressions to percent format with immediate online feedback.