Unformatted text preview: Write an addition expression to describe each situation. Then find each sum and explain its meaning. 21. PORPOISES A porpoise went from 10 feet above the surface of the water to 26 feet below the surface. 22. DVDS Helena bought 16 new DVDs for her collection. Then she loaned 11 DVDs to her best friend....
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- Winter '08
- Prime number, 10 feet, addition expression, new DVDs