The math monster has scared away all the ice cream parlor's customers and taken the ice cream ingredients. Only an accomplished math bingo player can save this ice cream business. 

In this math activity, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.

Students convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...

In this Algebra I worksheet, 9th graders explore the basic of beginning algebra:  the order of operations, integer operations, translating phrases and sentences, and solving basic one-step equations.  The six page worksheet...

Students explore a variety of math concepts. In this integrating technology lesson, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more.  A description of each website is provided.

In these story problem worksheets, students read the story problem 'The Case of the Hatcher Hotel Heist' and use the information within the story to help them solve the problem. Students use addition and subtraction to find the next room...

Elementary schoolers play a math game using a Tic-Tac-Toe Board. This simple idea can be used with virtually any grade level. A team of learners are the "O's," and the other is the team of "X's." Each time a team gets a problem correct,...

Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic...

An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...

[Free Registration/Login may be required to access all resource tools.] The resource is a video showing students how to find a missing number in a multi-step addition and subtraction problem using inverse operations. Adaptive practice...

[Free Registration/Login may be required to access all resource tools.] A learning module where students must apply the order of operations to find the missing numbers in equations involving addition, subtraction, and multiplication. A...

Practice finding the missing value in an addition or subtraction equation involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice finding the missing value in an addition or subtraction equation involving negative numbers.

[Free Registration/Login may be required to access all resource tools.] The video shows how to finding the missing number in a two-digit subtraction problem by working backwards. The video is followed by a series of practice questions to...

[Free Registration/Login may be required to access all resource tools.] The video shows how to find a pattern in a series of subtraction problems to determine the missing problem in the set. The video is followed by additional problems...

[Free Registration/Login may be required to access all resource tools.] The video shows how to use a model to determine the missing number in a subtraction problem. The video is followed by practice problems to assess student...

[Free Registration/Login may be required to access all resource tools.] The video describes how to fill in a missing number in a 2-digit subtraction sentence. The video is followed by practice problems to assess student understanding of...

[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...

This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are shown a subtraction sentence with numbers up to 1000 and must fill in a missing number. An accompanying video demonstrates the...

[Free Registration/Login may be required to access all resource tools.] The video describes how to determine what number sentence is missing in the fact family.

Can you meet the challenge to see how many subtraction calculations you can do in two minutes? There are different levels and you can choose either one or two missing numbers to make your number sentence correct.

Find the missing numbers in the fact family number sentences.

[Free Registration/Login may be required to access all resource tools.] The video works through 2-digit addition and subtraction problems to determine which number sentence coincides with the given value. The video is followed by...