This short video and interactive assessment activity is designed to teach third graders about number riddles (numbers up to 100,000).
Students learn the connection between the counting sequence and experience from their daily lives in this daily activity. It also helps give students a sense of how "many" each number is.
This short video and interactive assessment activity is designed to teach fourth graders about one-step conversions between multiples of 10.
This short video and interactive assessment activity is designed to teach third graders about one-step conversions involving multiples of ten.
This task acts as a bridge between understanding place value and using strategies based on place value for addition and subtraction.
One bag of apples, one apple, one slice of apple -- which of these is one unit? Explore the basic unit of math (explained by a trip to the grocery store!) and discover the many meanings of one.
This short video and interactive assessment activity is designed to teach fourth graders about arranging numbers in specific orders.
In this ordering task each number has at most 3 digits so that students have the opportunity to think about how digit placement affects the size of the number.
In this task students must place 4-digit numbers into order from smallest to greatest and greatest to smallest.
The purpose of this task is to extend students' understanding of fraction comparison.
This short video and interactive assessment activity is designed to teach second graders about comparing coins with pictures.
In this task students compare numbers less than 100 to benchmark numbers and learn to build an understanding of the relative magnitude of numbers.
The purpose of this task is to present students with a situation in which they need to divide a whole number by a unit fraction in order to find a solution.
This short video and interactive assessment activity is designed to teach second graders an overview of addition (sums to 100) - word problems.
This short video and interactive assessment activity is designed to give fourth graders an overview of - hundredths.
This short video and interactive assessment activity is designed to give fifth graders an overview of decimal multiplication.
This short video and interactive assessment activity is designed to teach first graders an overview of subtraction (numbers to 100).
This video lecture serves as a review of subtraction up to the number twenty for first graders.
This short video and interactive assessment activity is designed to teach second graders an overview of telling time to 1-minute intervals.
This short video and interactive assessment activity is designed to teach first graders an overview of telling time to quarter and hour.