Curated OER
Piggy Pockets
Second graders determine when estimates and exact totals are appropriate in dealing with money. They simulate keeping a checking account over a period of time and keep a checkbook ledger to record deposits and expenses.
Primary Resources
Primary Resources: Measures
A huge collection of teacher resources to aide in the teaching of all types of metric measurement: length, distance, mass, weight, capacity, and volume. Activities include measuring, estimating, converting, investigating, and finding...
PBS
Pbs Nova: How Big Were They?
Use the virtual scale to find out how much the Egyptian Obelisk weighs in elephants. Also, learn other interesting facts about the obelisks.