In this video segment from Cyberchase, Inez and Lucky figure out how to keep track of the number of clones as they continue to multiply.
This short video and interactive assessment activity is designed to teach third graders about place value problems involving grouping of items.
This short video and interactive assessment activity is designed to teach fourth graders about using greater than and less than.
This task requries students to think about division by fractons.
In this task, students can see that if the price level increases and peopleŐs incomes do not increase, they arenŐt able to purchase as many goods and services; in other words, their purchasing power decreases.
This activity provides many ideas for celebrating the 100th Day of school.
In this video segment from Cyberchase, the CyberSquad must locate a crystal with the highest fraction of orange color.
This short video and interactive assessment activity is designed to teach third graders about choosing the multiples of a given number up to 12.
Teachers (and then students) lead the class in chanting numbers from 1 to 120.
In this task using a number line, students must partition the interval between 0 and 1 into eighths.
This short video and interactive assessment activity is designed to teach fourth graders about coins and bills.
This short video and interactive assessment activity is designed to teach fourth graders about is it a multiple?.
This short video and interactive assessment activity is designed to teach fifth graders about comparing fractions with common denominators or common numerators.
This short video and interactive assessment activity is designed to teach fifth graders about ordering fractions with different denominators.
This short video and interactive assessment activity is designed to teach fifth graders about comparing decimals and fractions using inequalities.
This short video and interactive assessment activity is designed to teach third graders about comparing values of two numbers.
This short video and interactive assessment activity is designed to teach second graders about comparing values of multiple numbers within a set.
This short video and interactive assessment activity is designed to teach fourth graders about comparing values of two numbers ii.
This short video and interactive assessment activity is designed to teach second graders about mixed operations: selecting the correct sentence.
This short video and interactive assessment activity is designed to teach second graders about more and less (addition and subtraction).