OnlineMathLearning.com
Online Math Learning: Addition and Arrays (Grade 2)
A list of suggested activities for addressing CCSS 2.OA.C.4 where students work with arrays and repeated addition. Includes a problem for a 3X5 array and its solution in a video. [8:23]
Alabama Learning Exchange
Alex: How Many Times Did You Add That?
After watching the video clip of the Hershey's plant, students will use grid paper to investigate multiplication as repeated addition. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Khan Academy
Khan Academy: Represent Multi Step Word Problems Using Equations
Represent multi-step word problems using equations with a letter standing for the unknown quantity. Equations include addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to...
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems 2
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
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