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Lesson 10 – Multiplying Multidigit Numbers 1. Solve: a. 3(2a + 4) = b. 9(4a +2) = 2. Write each product from memory: a. 8 7 b. 5 9 c. 6 5 f. 8 8 g. 6 9 h. 7 6 c. 8(4 + 3a) = d. 7a(2 + 6) d. 8 9 e. 7 3 i. 4 8 j. 7 7 3. Write two multiplication equations and two division equations that each diagram represents. a. b. c. d. 4. Use any method to calculate 3 37 . 5. Calculate each product using mental strategies. a. 10 6 b. 4 20 c. 90 7 d. 80 40 e. 100 2 6. Keesha worked 12 hours last week selling bottled water at a basketball tournament. She earned $10.75 per hour. How much did she earn last week? 7. Calculate 67.8 0.79 . 8. Given that 724 96 69,504 solve these equations: a. 7.24 0.096 b. 0.0724 0.96 9. Chen is designing the front cover for a book that is 18.4 cm by 13.1 cm. What is the area of the front cover?