Mixed Addition and Subtraction Using Numbers Between 100 and 1000
In this addition and subtraction worksheet, students find the sums and differences in 15 three digit problems in which they regroup as needed. They enter and submit the answers online or print the page as needed.
2nd - 3rd 21st Century Skills 15 Views 85 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
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