Addition and Subtraction of Two and Three Digit Numbers
In this addition and subtraction with regrouping worksheet, students solve 16 mixed addition and subtraction problems with and without regrouping. The problems have two or three digit numbers.
4 Views 12 Downloads
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
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
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! Properties of Addition
Zoe from the StudyJams! crew brings the properties of addition to life by clearly explaining the meaning of the associative, commutative, and identity properties as she collects photos for an album. Listen to the included karaoke song...
1st - 3rd Math CCSS: Adaptable
Solve Subtraction Problems: Using Number Line
Number lines are great visual tools that can be used to teach a wide range of math topics. The final video of this series models how to use number lines when solving subtraction problems using the counting up strategy. Pause the video...
4 mins 2nd - 4th Math CCSS: Designed
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