This short video and interactive assessment activity is designed to teach fourth graders about reading the compound units in pounds and ounces.

This task helps students understand that when you multiply by a number you always get a bigger number.

This short video and interactive assessment activity is designed to teach second graders about representing numbers in expanded form i.

This short video and interactive assessment activity is designed to teach second graders about representing numbers in expanded form II.

This short video and interactive assessment activity is designed to teach fourth graders about identifyinging the value of digits based on place value.

This short video and interactive assessment activity is designed to teach third graders about identifying the value of digits based on place value.

This short video and interactive assessment activity is designed to teach fourth graders about recognizing place value of digits in numbers ii.

This short video and interactive assessment activity is designed to teach fifth graders about identifying the properties of rectangles.

This short video and interactive assessment activity is designed to teach third graders an overview of squares and rectangles.

This task is written so that students have opportunities to use different strategies to determine whether a set has an even or odd number of objects.

This short video and interactive assessment activity is designed to teach fifth graders about reducing simplest form - word problems.

This short video and interactive assessment activity is designed to teach fifth graders about reducing to simplest form.

This short video and interactive assessment activity is designed to give fifth graders an overview of reflective symmetry.

This task serves as a bridge between understanding place-value and using strategies based on place-value structure for addition.

This short video and interactive assessment activity is designed to teach fifth graders about multiplication patterns over increasing place values.

This short video and interactive assessment activity is designed to teach fourth graders about patterns without using multiplication.

This short video and interactive assessment activity is designed to teach fourth graders about express the sentence and calculate - division.

This short video and interactive assessment activity is designed to teach third graders about multiplication patterns over increasing place value.

This short video and interactive assessment activity is designed to teach third graders about filling in the number patterns based on the multiplication table.

This task presents students with some creative geometric ways to represent the fraction one half. The goal is both to appeal to students' visual intuition while also providing a hands on activity to decide whether or not two areas are equal.