Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity...

Practice solving problems like "___ - 45 = 27" where you have to figure out the missing value in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

In this exercise, students practice word problems with "more" and "fewer". Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice word problems with "more" and "fewer" 2. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

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.

Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

The purpose of this task is to give students a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...

[Free Registration/Login Required] Students will use a real world example to solve single variable equations mentally. Click challenge me to answer a practice question and click learn more to watch a video.

[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.

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

[Free Registration/Login Required] Choose from a variety of worksheets which help students practice addition and subtraction with objects, fingers, mental images, and drawings.

An interactive worksheet for practice in the addition and subtraction of decimals with positive and negative signs.

This is an online tool where the teacher and students can use interactive beads on a rekenrek to model addition or subtraction.

Race against the clock to see how many simple equations you can solve correctly in three minutes.

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...

[Free Registration/Login may be required to access all resource tools.] A video and practice questions on word problems involving intervals of time. [0:44]

[Free Registration/Login may be required to access all resource tools.] Looks at finding the direction and magnitude of vectors and breaking vectors into component parts.

Students will solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.

[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to add and subtract polynomials, as well as learn about the different parts of a polynomial. Practice problems are also included.

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.

Practice solving 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 hints.

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

Practice solving equations in one step by adding or subtracting the same value from both sides. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Students complete interactive activities to explore decimal problems.