Missing Numbers in 2 Digit Subtraction Problems
In this math instructional activity, learners solve 10 subtraction problems, filling in the missing number to make the equation correct. In all problems on the page the missing number will be zero.
1st - 2nd Math 3 Views 0 Downloads
Add Up To Four 2-Digit Numbers by Using Addition Facts and Friendly Numbers
Learning to recognize friendly numbers is a big step in developing fluency with addition. Looking at multiple real world examples, the instructor models how to rearrange addition number sentences and use friendly numbers to quickly and...
5 mins 1st - 3rd Math CCSS: Designed
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