Horizontal Mixed Addition and Subtraction With the Number 10
In this mixed addition and subtraction worksheet, students add 10 to, or subtract 10 from two digit numbers. They complete 15 problems by inserting and submitting the answers in the online format or print the page as needed.
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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...
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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.
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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...
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