[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers with two operations in a number sentence to determine which number sentence does not match the correct...

[Free Registration/Login may be required to access all resource tools.] The video shows how to use addition and subtraction to keep an equation balanced by working backwards to determine the missing value. The video is followed by...

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a 2-digit addition problem without regrouping. The video is followed by practice problems.

[Free Registration/Login may be required to access all resource tools.] The video describes how to find the total length using addition in a given word problem. The video is followed by practice problems covering the topics in the video.

[Free Registration/Login may be required to access all resource tools.] The video shows how to work through a flow chart of addition and subtraction with numbers up to 1000. The video is followed by practice problems covering the topics...

[Free Registration/Login may be required to access all resource tools.] The video describes the process of determining which multiplication facts do not equal the sum of the given addition problem. The video is followed by a series of...

[Free Registration/Login may be required to access all resource tools.] The video shows how to solve an addition word problem with a sum up to 20. The video is followed by additional practice problems.

[Free Registration/Login may be required to access all resource tools.] The video describes how to determine if a number sentence is addition or subtraction by testing the operation to determine which reveals the correct solution. The...

[Free Registration/Login may be required to access all resource tools.] This resource includes a video that demonstrates how to find a missing operation in a multi-operational addition and subtraction problem. Practice problems follow...

[Free Registration/Login may be required to access all resource tools.] The resource begins with a video that describes and shows the process of adding money by lining them up in columns. The pictures included in the video and the...

[Free Registration/Login may be required to access all resource tools.] A video models finding a missing operation (addition or subtraction) by using order of operations with parentheses and working backwards. The practice problems...

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems using both addition and subtraction. The video is followed by additional practice problems.

[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...

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems using both addition and subtraction. The video is followed by additional practice problems.

[Free Registration/Login may be required to access all resource tools.] The video shows how to answer a series of addition or subtraction problems with numbers up to 1,000. The video is followed by practice problems.

[Free Registration/Login may be required to access all resource tools.] This is a video and practice problems finding the missing number of a multi-step addition and subtraction problem that has parentheses. The video models the process...

Combine mental math with physical activity to engage students and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require pre-made math flashcards that can be easily created...

Combine addition of numbers identified from playing cards with physical activity to engage learners and increase overall fitness. This lesson plan describes a twenty to twenty five minute series of activities that require two decks of...

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on finding sequential capacities of several containers.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students add mixed numbers that have the same denominators. Includes video demonstrating a sample problem [1:36] and a set of practice...

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to add compound metric units of capacity to find the total amount. Includes video demonstrating a sample problem [1:57]...

[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.] For this learning module, students are asked to solve word problems about length and distance that involve any of the four operations. Includes video demonstrating a...

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"...