Subtracting 10 from 2-Digit (1)
In this two digit subtraction worksheet, students complete the twenty equations by subtracting the number ten from the given two-digit number.
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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
Place Value of 1 to 2 Digit Numbers
The concept of 10s and 1s is introduced to the class in this second grade math lesson. They make groups of 10s and 1s with concrete objects to show a variety of double-digit numbers. They put their skills into practice as they write...
2nd - 4th Math CCSS: Adaptable
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