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).

This short video and interactive assessment activity is designed to teach third graders about word problems that compare values.

This short video and interactive assessment activity is designed to teach second graders about comparing with two-step addition and subtraction.

This video is part of the Continue to Know with WHRO TV series. Watch Emily Rathbone teach about comprehending word problems using whole numbers.

This video is part of the Learn and Grow with WHRO TV series. Watch Xenia Claire teach about adding and subtracting with practical problems using a variety of strategies.

Adding and subtracting decimals, through the thousandths, used in contextual situations. Mathematics Instructional Plans (MIPs) help teachers align instruction with the 2016 Mathematics Standards of Learning (SOL) by providing examples of how the knowledge, skills and processes found in the SOL and curriculum framework can be presented to students in the classroom.

This short video and interactive assessment activity is designed to teach third graders an overview of subtraction (numbers to 1,000).

This short video and interactive assessment activity is designed to give fourth graders an overview of subtraction (numbers to 1,000).

This short video and interactive assessment activity is designed to teach second graders an overview of subtraction (numbers to 1,000).

This video is part of the Learn and Grow with WHRO TV series. Watch Shantel Davis teach addition and subtraction strategies.

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

This video is part of the Continue to Know with WHRO TV series. Watch Emily Rathbone teach about estimating and solving multistep word problems using whole numbers.

This short video and interactive assessment activity is designed to teach second graders about fact families (numbers to 1,000).

This short video and interactive assessment activity is designed to teach third graders about fact families (numbers to 1,000).

This task allows students to relate addition and subtraction problems to money in a context that introduces the concept of scarcity.

This short video and interactive assessment activity is designed to teach third graders about filling in the missing + or - sign.

This task asks students to solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.