This short video and interactive assessment activity is designed to teach fourth graders about using timelines to 1-minute increments.
This short video and interactive assessment activity is designed to teach fourth graders about using a scale and subtraction to find weight in grams.
This short video and interactive assessment activity is designed to teach fourth graders about visual differences in length (english units).
This short video and interactive assessment activity is designed to teach second graders about visual differences in length (english units).
This short video and interactive assessment activity is designed to teach fourth graders about visually comparing weight and balancing a scale (metric units).
This short video and interactive assessment activity is designed to teach second graders about visually evaluating parallel lines cut by a traversal.
This short video and interactive assessment activity is designed to teach fourth graders about visually finding weights and calculate totals (metric units).
This short video and interactive assessment activity is designed to teach fourth graders about visually finding capacity (metric units).
This short video and interactive assessment activity is designed to teach second graders an overview of capacity (metric units).
This short video and interactive assessment activity is designed to teach second graders about which amount is not equal to a given amount of money?.
Math puzzles to get students talking about their mathematical thinking. The site provides a collection of shape, number and graph sets. Each activity has four images/numbers, students then need to pick which one doesn't belong. But the trick is this, the puzzles do not have one correct answer. This can lead to interesting conversation and descriptions of what the student notices about the arrangement.
If you think up your own, you can submit them to the site.
This short video and interactive assessment activity is designed to teach second graders an overview of money.
Six-thousand-plus ad-free "mini-lessons" and videos for math, developed by Phoenix College math instructor James Sousa.