Description

Each of the 24 lessons in the learning unit features a “number line” of 1-10, 1-15, or 1-20. ......Students are challenged to use these graphic tools to figure out fundamental addition and subtraction problems. “9 + 1 = ?” “10 – 3 = ?” “12 + 7 = ?” Using the number line to count out the answers is a great way to start building a solid foundation of basic math.

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