Subtraction and Addition Facts
In this finding the difference activity, 3rd graders subtract one-digit numbers and then combine addition and subtraction to solve problems. Students solve twenty-two problems.
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Study Jams! Relate Addition & Subtraction
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...
1st - 4th Math CCSS: Adaptable