Curated OER
Compatible numbers to 20
Students practice theories dealing with equals sign used as a balance, inequality symbols and practice utilizing a box or some other geometric shape to represent an unknown number. They assess numeracy problems embedded in language-rick...
Curated OER
Now You See Me, Now You Don't
Second graders develop an awareness of the power of their minds to work with visual images. All the activities in this unit help strengthen visualization that is an important tool or process in Geometry.
Curated OER
Jo's Table
Second graders work on the problem with a partner. They examine what they are supposed to be doing. They share the students's solutions making sure than they are looking for patterns along the diagonals.
Curated OER
Mathematical Problem Solving
Second graders solve story problems. In this story problem lesson, 2nd graders solve the problems and explain how they came up with their answers. They create their own story problems to be solved.