This short video and interactive assessment activity is designed to teach third graders about dividing by 9.
This short video and interactive assessment activity is designed to teach fifth graders about dividing by 9.
This task requires students to recognize both "number of groups unknown" and "group size unknown" division problems in the context of a whole number divided by a unit fraction.
This short video and interactive assessment activity is designed to teach fourth graders about number patterns based on the multiplication table.
This short video and interactive assessment activity is designed to teach third graders about division terms.
This short video and interactive assessment activity is designed to teach third graders about dividing by 1 digit numbers to find work.
This short video and interactive assessment activity is designed to teach fourth graders about dividing to find the time.
These word problems address common errors that students make when adding fractions.
Students gain an understanding of the factors that affect wind turbine operation. Following the steps of the engineering design process, engineering teams use simple materials (cardboard and wooden dowels) to build and test their own turbine blade prototypes with the objective of maximizing electrical power output for a hypothetical situation—helping scientists power their electrical devices while doing research on a remote island. Teams explore how blade size, shape, weight and rotation interact to achieve maximal performance, and relate the power generated to energy consumed on a scale that is relevant to them in daily life. A PowerPoint® presentation, worksheet and post-activity test are provided.
This task engages students in thinking about number patterns.
This problem involves fraction multiplication that can be solved with pictures or number lines.
This short video and interactive assessment activity is designed to give fourth graders an overview of speed based problems.
This short video and interactive assessment activity is designed to give fifth graders an overview of speed based problems.
One goal of this task is to help students develop comfort and ease with adding fractions with unlike denominators. Another goal is to help them develop fraction number sense by having students decompose fractions. Because the Egyptians represented fractions differently than we do, it can also help students understand that there can be many ways of representing the same number.
This short video and interactive assessment activity is designed to teach second graders about beginning, ending, and elapsed time with clocks - word problems.
This short video and interactive assessment activity is designed to teach fourth graders about beginning, ending, and elapsed time with clocks - word problems.
This short video and interactive assessment activity is designed to teach third graders about beginning, ending, and elapsed time with clocks - word problems.
This short video and interactive assessment activity is designed to teach second graders about solving for start time, end time, or elapsed time.
This short video and interactive assessment activity is designed to teach fourth graders about finding the time with a timeline.
This short video and interactive assessment activity is designed to teach fifth graders about elapsed time - finding the starting time (single step).