This task helps students understand the meaning of the equal sign and to use it appropriately.

This short video and interactive assessment activity is designed to teach second graders an overview - equivalent decimals ending in zero.

This short video and interactive assessment activity is designed to teach third graders an overview - thousandths.

This short video and interactive assessment activity is designed to give fourth graders an overview of - equivalent decimals ending in zero.

This short video and interactive assessment activity is designed to teach fourth graders about estimating measure by image: centimeters or meters?.

This short video and interactive assessment activity is designed to teach fifth graders about estimating the measure of objects by image: feet or inches?.

This short video and interactive assessment activity is designed to teach fourth graders about estimating measure by description - multiple choice.

This short video and interactive assessment activity is designed to teach fifth graders about estimating the measure of items by description: inches, feet, or yards?.

The purpose of this task is for students to show they understand the connection between fraction and decimal notation by writing the same numbers both ways.

The purpose of this task is to provide students with an opportunity to explain fraction equivalence through visual models in a particular example.

This short video and interactive assessment activity is designed to teach second graders an overview - hundredths.

This short video and interactive assessment activity is designed to teach second graders an overview - tenths.

This short video and interactive assessment activity is designed to teach third graders an overview - hundredths.

This short video and interactive assessment activity is designed to teach second graders about expressing multiplication sentences.

This short video and interactive assessment activity is designed to teach third graders an overview - tenths.

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

This short video and interactive assessment activity is designed to teach third graders about relating multiplication and division with illustrations.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.