US Mint
Coin Connections
Help young mathematicians make cents out of the US currency system with this two-part math lesson. 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
Estimating to Check Results- Reteaching Worksheet
In this estimating to check results reteaching worksheet, 1st graders examine how to use estimation to check their addition. They apply the steps to solve and check 2 word problems.
Curated OER
Trigometric Ratios
This lesson requires a worksheet that is not connected. It is integral to the lesson.
Curated OER
The School Store
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
Curated OER
Where are all the Animals?
Students view animals that camouflage at the Shedd aquarium website. In this camouflage lesson, students recognize that there are different types of camouflage, cryptic coloring, counter-shading, warning coloration and mimicry. Students...