National Security Agency
Place Value for Primary Grades- A Place for Everything
Here is a phenomenal lesson on place value to the thousands place. Learners construct numbers and identify the value of each digit, investigate building numbers using craft sticks and paper plates, and complete other meaningful...
Curated OER
Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
Curated OER
Not So Snappy 4
For this math worksheet, students work out the word problems in an attempt to use the skills of logic and deduction to arrive at the correct solution.