AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play" portions of each lesson. Browse AAA Math's contents by subject or by grade level.

This short video and interactive assessment activity is designed to teach fourth graders about adding and subtracting money using words.

This short video and interactive assessment activity is designed to teach fourth graders about adding and subtracting money with pictures in columns.

Farmers' incomes are hard to determine from year to year, crop to crop, and county to county. One thing is for sure: race can affect the ability of farmers to access loans, land, and markets. We talk with farmers and food justice experts about the many factors that can impact how much money farmers are able to make. Spanish captions and transcript also available. [3:13]

This site is a beginner's guide to money, including how much money should you put aside for emergencies.

Explains checks: definition, physical characteristics, checking terminology, what makes it valid or unvalid, fraud, etc. It also offers links to more information about banking.

This lesson talks about how money is created in a fractional reserve banking system. [Banking, Money, Finance playlist: Lesson 4 of 24]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This lesson introduces the ways that banks make money. [Banking, Money, Finance playlist: Lesson 1 of 24]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This lesson talks about the pros and cons of various banking systems and talks more about using gold as a standard. [Banking, Money, Finance playlist: Lesson 18 of 24]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This lesson reviews tools of the Central Bank to increase the money supply [Banking, Money, Finance playlist: Lesson 13 of 24]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This lesson is a simulation of opening a bank. Students are assigned various roles to play within the banking business. Students learn about the role banks play in a market economy.

People talk about quarters of the hour, or quarters in a dollar. This lesson lets students in on what that means.

Students see how money is used to buy and sell items. They will participate in an activity to see how people get money.

Students count by 5s, 10s and 25s to add money amounts and make change.

Using dimes to make change is another way to work with subtracting tens within 100.

Students need practice using coins and dollars and relating them to ones, tens and hundreds. Common Core standards include counting by 10s and 100s.

To make sense of numbers in the thousands, 2nd grade students need practice identifying place value positions and using place value strategies in numbers to 1,000.

Automaticity with patterns that allow students to easily manipulate larger numbers is the aim of this lesson.

When subtracting ten from a 2 digit number, students should be able to compute the answer as fluently and comfortably as do when they add ten to a 2 digit number.