Help your math students improve their speed and accuracy-no matter what level they're at! High achievers can challenge themselves to master speedy calculations, while low-achievers can develop an interest in working with numbers while destroying "math-phobia." This grade 1 workbook covers addition and subtraction problems up to 100 through effective strategies. Children learn sequential mental math tips, such as working to or from a base of ten, then tackling the subtraction or addition of the other numbers. Examples are clearly explained with both concrete and abstract representation; tests include room for the time taken, scoring, answers, and a word problem. 102 non-reproducible pages, softcover. Answer key included. Grade 1 or 2.
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