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Adding Lengths
Sometimes you need to add lengths. If you lay a 5-inch block and a 3-inch block end to end, the total length is 5 + 3 = 8 inches.
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Math — Measurement: Inches and Centimeters
Sometimes you need to add lengths. If you lay a 5-inch block and a 3-inch block end to end, the total length is 5 + 3 = 8 inches.