Browse resources related to first-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.

Browse resources related to second-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.

A large collection of tutorials covering concepts in addition, subtraction, multiplication, division, and fractions.

The famous Clockenheimer Cuckoo is missing from Clockenheimer Clocks on Main Street! Help Math Maven get it back by solving a math riddle.

Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.

Practice matching addition and subtraction equations to real-world scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice writing addition and subtraction equations to match number line diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving addition and subtraction problems with integers (positive and negative numbers). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

The purpose of this task is to foster a classroom discussion that will highlight the difference between multiplicative and additive reasoning. Aligns with CCSS.Math.Content.4.OA.A.1 Interpret a multiplication equation as a comparison

In this exercise, students practice ordering expressions. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

By using like radicals, expressions are easily simplified using addition and subtraction. Examples are provided to demonstrate how to simplify radicals to create like terms.

With this interactive, students use algebra equations flashcards to practice solving equations using addition, subtraction, and multiplication.

Funky Mummy is a mobile-friendly number facts game. Play this game to practice quick recall of addition, subtraction and multiplication facts.

Players practice adding, subtracting, multiplying, and dividing skills while playing virtual Tic Tac Toe. They can also try their hand at squares, cubes, and square roots.

In this exercise, students practice addition and subtraction within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Base Ten Fun is an educational virtual manipulatives activity for kids learning place value, addition and subtraction. Base Ten Fun is highly customizable; kids can select from ones, tens and hundreds.

[Free Registration/Login may be required to access all resource tools.] The video uses counting on to solve an addition problem with sums to ten. The video is followed by practice problems.

This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...

Read and interpret picture graphs. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.

Students will play learning games to explore money in different ways, such as identifying, adding, and subtracting values.

In this activity, students learn to count and solve original word problems. They learn to add by combining sets and subtract when removing the set. They use manipulatives to reflect the reasoning used in problem solving.

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems where they have to add or subtract 3 or more numbers.

[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students are given word problems where they have to add or subtract 3 or more 1-digit numbers.

[Free Registration/Login may be required to access all resource tools.] The resource includes a video tutorial on how to find a missing number in a multi-operational problem by working backwards. The video is followed by practice...