The Sum of the Parts
Second graders observe some everyday common objects in order to attempt to learn about simple systems and how they fit together. They observe small details in order to identify the parts of a whole design.
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Adding 2-Digit Numbers, part 2
Looking for addition practice problems? You've found them! This worksheet features 30 double-digit addend equations and three examples to guide young mathematicians. Because they incorporate carrying for almost every problem, this may be...
2nd - 3rd Math CCSS: Designed
Write and Test Equations with Two Equal Addends to Prove that the Sum will Always be Equal
Will the sum of two even numbers always be even? Discover the answer with the fourth video in this five-part series. Multiple examples are presented, using a combination of number sentences and visual models to help young mathematicians...
5 mins 1st - 3rd Math CCSS: Designed