This short video and interactive assessment activity is designed to teach fifth graders about determining less than or greater than values of a decimal.
This short video and interactive assessment activity is designed to teach third graders about determining unknown angles in parallelograms.
This short video and interactive assessment activity is designed to teach fourth graders about determining unknown angles in trapezoids.
This short video and interactive assessment activity is designed to teach third graders about determining unknown angles in trapezoids.
This short video and interactive assessment activity is designed to teach third graders about determining unknown angles within rectangles and squares.
This short video and interactive assessment activity is designed to teach fifth graders about determining unknown angles within rectangles and squares.
This short video and interactive assessment activity is designed to give fifth graders an overview of capacity - word problems.
This short video and interactive assessment activity is designed to give fourth graders an overview of capacity - word problems.
This short video and interactive assessment activity is designed to teach fifth graders about determining the elapsed time given start and end time.
This short video and interactive assessment activity is designed to teach fourth graders about determining the order of decimals in word problems.
This short video and interactive assessment activity is designed to teach fifth graders about determining the product of two decimals without calculation.
This short video and interactive assessment activity is designed to teach third graders about determining the unknown angle in an isosceles triangle.
This short video and interactive assessment activity is designed to give fourth graders an overview of special triangles.
This lesson compares rational number and orders them from least to greatest using the number line. [Developmental Math playlist: Lesson 132 of 196]
This lesson demonstrates how to compare whole numbers. [Developmental Math playlist: Lesson 7 of 196]
Students practice data collection by gathering data within the classroom on common causes of allergies. They examine and interpret data charts on national trends in allergies.
These are a set of fictional case studies that are designed to prompt reflection and discussion about issues at the intersection of AI and Ethics. These case studies were developed out of an interdisciplinary workshop series at Princeton University that began in 2017-18. They are the product of a research collaboration between the University Center for Human Values (UCHV) and the Center for Information Technology Policy (CITP) at Princeton. Click the title of each case study to download the full document.
This task supports students in correctly writing numbers. Because students have to trace the number, instead of coloring in a bubble with the number in it or circling the correct number, they gain handwriting practice as well as counting and addition practice.
This short video and interactive assessment activity is designed to teach third graders about solving for beginning time in 5-minute intervals - word problems.
This short video and interactive assessment activity is designed to teach fourth graders about ending time in 5-minute intervals - word problems.