Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Pennsylvania Department of Education
Seeing Doubles
Pupils work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Pupils represent the correct...
Curated OER
Making Rectangles
Students study rectangles. For this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
Pennsylvania Department of Education
Alike and Different
Learners compare and contrast objects and are introduced to a Venn Diagram. In this alike and different lesson, students make observations regarding properties of objects. Learners classify object and build ideas about variables....