This is a fun interactive game that allows students to practice their addition, subtraction, and multiplication facts.

The purpose of this task is for students to find different pairs of numbers that sum to 7.

In this lesson plan, students complete a coloring activity and practice where like fractions are actually used in real-life situations. Problem solving involves using fractions with common denominators utilizing think, solve, and explain format.

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 was created by NCDPI. This video examines best practices and research related to developing computational fluency. Teaching strategies and tips are provided.

In this assessment task students will use cookie representations to solve a story problem. Students will use addition or subtraction operations and can represent their thinking by using math manipulatives. The teacher can ask the student to explain the problem they solved or teachers can take a picture to prove that the student answered the question correctly. An assessment task and rubric are provided.

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

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).

Students will use dominoes to learn how to represent a graphical model for adding unlike fractions.

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

In this assessment task students think about bugs in a jar and decide how many have escaped by drawing a subtraction picture. Students can solve the story problem by using the addition or subtraction operation to find the solution and are to show their work. Students are given the option of using math manipulatives. The task and rubric are provided.

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

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

In this lesson, students will use mathematical reasoning and the four operations to solve math riddle problems. They will work with a partner to read and discuss the riddle together to figure out the answer and then place in a class book.

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