Mixed Addition #3: 3-digit to 3-digit
Twenty-five addition problems present students with three digit numbers to be added to three digit numbers. The column format of this instructional activity could make a good quiz, math drill, or homework assignment.
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Grade 1 Supplement Set A3 - Number & Operations: Addition & Subtraction on the Number Line
Hop your way through a mathematical equation with your first grade class as they learn the idea of moving up and down the number line. Adding and subtracting like little frogs is an engaging and clever way to teach/reinforce this concept.
K - 2nd Math CCSS: Adaptable
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
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
Multiply Fractions by Whole Numbers: Using Repeated Addition
Prior experience with addition of fractions guides young mathematicians as they learn how to multiply fractions by whole numbers. The first video in this two-part series outlines this process with clear explanations and examples....
4 mins 3rd - 5th Math CCSS: Designed
Solve Addition Problems: Using Complements of 10
In a base ten number system, knowing the complements of ten is a huge help when learning addition with larger numbers. The third video is this series models how these special pairs of numbers can be used along with expanded notation to...
5 mins 2nd - 4th 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