US Mint
Coin Connections
Help young mathematicians make cents out of the US currency system with this two-part math lesson plan. Children first learn the names and values for each type of coin, before learning to count and compare the values of coins using the...
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...