Curated OER
Dividing by 4's
Third graders explore math functions by completing problem solving activities. In this division instructional activity, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students...
Illustrative Mathematics
Comparing Products
How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...
Pennsylvania Department of Education
Equal Groups
Students explore statistics by completing a graphing activity. In this data analysis instructional activity, students define a list of mathematical vocabulary terms before unpacking a box of raisins. Students utilize the raisins to plot...
Curated OER
Unit 2 Sun & Stars
Young scholars describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics,...