1. Challenge 7 L. LaRosa http://www.middleschoolscience.com for T. Trimpe 2008 http://sciencespot.net/

2. Complete the following conversions for grams and milligrams: 7,165 mg = ____ g 3,110 mg = ____ g 430 mg = ____ g 88 mg = _____ g 9.56 g = _____ mg 4.2 g = _____ mg 0.18 g = _____ mg 0.007 g = ____ mg

3. Complete the following conversions for grams and milligrams: 7,165 mg = 7.165 g 3,110 mg = 3.11 g 430 mg = 0.43 g 88 mg = 0.088 g 9.56 g = 9,560 mg 4.2 g = 4,200 mg 0.18 g = 180 mg 0.007 g = 7 mg ÷ 1,000x 1,000