Ck 12: Elem Math: Adding and Subtracting Three or More Numbers

[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.

Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...

[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.] 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...

[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...

[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 video and practice questions on how to solve word problems with simple addition and subtractions of lengths. [0:20]

[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 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.] This is a tool that gives a video demonstration and follows up with a pratice activity that checks for understanding.