Addition By Three
In this addition by three worksheet, students problem solve twenty five addition equations while they show their work as they go.
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Ten-Frames – A Games Approach to Number Sense
"How can you help students visualize numbers in a way that is compatible with our base-ten number system?" The answer is simple: use ten-frames. Whether they're being used as a part of classroom routines or as instructional tools, this...
K - 3rd Math CCSS: Adaptable
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
Solve Addition Problems: Using Partial Sums
When learning to add large numbers, having a solid understanding of place value is essential. In the second lesson in this series, young mathematicians see how expanded notation can make addition of three- and four-digit numbers much...
3 mins 2nd - 4th 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 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