Seeing Addition in Two Ways
Third graders participate in a lesson to examine two different methods of solving addition expressions. They solve the problem and predict if the solution would be the same. They also reflect upon the presence of place value for the numbers.
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Study Jams! Relate Addition & Subtraction
Understanding the inverse relationship between addition and subtraction is essential for developing fluency in young mathematicians. Zoe and RJ explain how three numbers can form fact families that make two addition and two subtraction...
1st - 4th Math CCSS: Adaptable
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
Study Jams! Addition with Regrouping
Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...
2nd - 4th Math CCSS: Adaptable
Solve Multiplication Problems: Using Repeated Addition
While young mathematicians are still working to memorize their multiplication facts, teach them how to use repeated addition when solving multiplication problems. The second video in a series models this skill with multiple examples,...
5 mins 2nd - 4th Math CCSS: Designed
Use a Number Line to Generate Equivalent Fractions
Add to the toolbox of young mathematicians by teaching them to compare fractions using number lines. The final video in this series models the process for labeling and comparing fractions on number lines with multiple supporting...
5 mins 2nd - 5th Math CCSS: Designed