Basic Subtraction Using Numbers Between 100 and 500
In this subtraction worksheet, students solve 12 problems in which 3 digit numbers are subtracted with and without regrouping. This is an interactive online worksheet that can be printed.
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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
Three Digit Vertical Addition Using Numbers Between 100 and 500
In this basic addition activity, 3rd graders find the sums in 15 vertical addition problems that have three digit numbers as addends. They regroup as needed. They enter and submit the sums online or print the page as needed.
3rd 21st Century Skills