Students complete interactive activities to explore decimal problems.

Students will play interactive learning games to practice ordering, adding, subtracting, and multiplying decimals.

Practice solving more word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...

Practice adding and subtracting within one hundred with these multiple-choice problems.

Players help Tortisaurus build a pyramid by assembling equations that match particular answers. Involves the application of whole-number addition, subtraction, multiplication, and division skills.

[Free Registration/Login Required] This flipchart contains manipulatives for creating addition and subtraction problems using positive and negative numbers. There is an example problem which teachers can use to help design their own...

Number rack facilitates the natural development of children's number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction...

Find the missing numbers in the fact family number sentences.

Your problem-solving skills are put to the test in this interactive word problem game on this site. Employ a variety of mathematical skills and strategies including logical reasoning and computation. Multiple choice problems created for...

[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...

Are you looking for some problem solving activities to do with your class? Look no farther. This site includes games, worksheets, presentations in PowerPoint, and smartboard files.

[Free Registration/Login may be required to access all resource tools.] This video gives steps of finding common denominators and then adding and subtracting multiple fractions together. After the video, there are practice problems...

In this lesson plan students use strategies based on place value to add and subtract within 100.

In this lesson plan, 7th graders add and subtract rational numbers to solve word problems.

[Free Registration/Login may be required to access all resource tools.] The video in the resource shows how to find a missing operation in a multi-step problem by working backwards. The practice problems involve finding either a missing...

[Free Registration/Login Required] Students are given real world word problems to explore adding and subtracting rational numbers. Click challenge me to answer a practice question and click learn more to watch a video.

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.

Practice adding and subtracting negative fractions, decimals, and percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

The teacher reads "The Napping House" to the class, stopping each time a person or animal gets into the bed so the students can add a counter to the ten-frame. Ten-Frame printable is included.

Students are asked to solve a word problem with both addends unknown. They will write an equation and draw a picture to use to explain their answer.

The purpose of this task is to help students develop flexible strategies for adding and subtracting within 20. Students will pick 5 number cards from pre-made cards labeled 1-10. Then, another student will pick a "target number" between...

Practice adding and subtracting mixed numbers.

[Free Registration/Login may be required to access all resource tools.] The video [0:34] describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics...

[Free Registration/Login may be required to access all resource tools.] The video describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics in the...