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Name Date Number Puzzles and Multiple Towers Order of Operations (page 1 of 2) In Problems 1–6, solve the equation using the order of operations. Show your work. 1. 8 + 12 ÷ 2 = 3. 7 × 2 – (3 + 8) = 5. (9 + 9) ÷ (7 – 4) = Unit 1 Session 2.4A INV12_BLM05_U1.indd 2 2. 10 × (12 – 3) = 4. 16 ÷ (16 – 4 × 2) = 6. 15 – [(4 – 2 ) × 3] = C2 © Pearson Education, Inc., or its affiliates. All Rights Reserved. 5 6/22/11 8:33 AM Name Date Number Puzzles and Multiple Towers Order of Operations (page 2 of 2) In Problems 7–10, insert parentheses, brackets, and/or braces to make each equation true. 7. 17 – 6 + 1 = 10 9. 5 × 6 – 1 + 3 = 28 8. 8 – 8 × 2 + 3 = 0 10. 5 + 4 – 5 + 3 × 8 ÷ 2 = 4 11.For the following problem, use grouping symbols to write an equation that represents the situation. Then solve the problem. Samantha made a photo book. She put 8 pictures on each page. She filled 7 pages with pictures of her trip to Washington, D.C., and 5 pages with pictures of her trip to the Grand Canyon. How many pictures are in her photo book? Unit 1 Session2.4A INV12_BLM05_U1.indd 3 C3 © Pearson Education, Inc., or its affiliates. All Rights Reserved. 5 6/22/11 8:33 AM Name Date Number Puzzles and Multiple Towers Daily Practice Using the Order of Operations note Students use the order of operations to solve problems. In Problems 1–5, solve the equation using the order of operations. Show your work. 1. 20 – 16 ÷ 4 = 2. (19 – 1) ÷ (3 × 2) = 3. 3 × 7 – (2 + 5) = 4. [(3 + 4) × 2] – (1 + 9) = 5. [6 + (3 + 4) × (3 – 1)] ÷ 5 = In Problems 6–9, insert parentheses, brackets, and/or braces to make each equation true. 6. 1 + 8 × 4 = 36 7. 10 + 2 – 6 + 3 = 3 8. 2 + 3 × 10 – 3 = 35 9. 4 × 8 – 4 + 1 = 12 10. Write an equation that means “Multiply 8 by the sum of 4 and 2.” Unit 1 Session 2.4A INV12_BLM05_U1.indd 4 C4 © Pearson Education, Inc., or its affiliates. All Rights Reserved. 5 6/24/11 12:37 PM Name Date Number Puzzles and Multiple Towers Daily Practice Understanding the Order of Operations note Students use the order of operations to solve problems. In Problems 1–4, solve the equation using the order of operations. 1. 12 + 4 × 6 ÷ 3 = 3. (19 – 1) × (7 – 6) = 2. 15 – [(10 + 26) ÷ 4] = 4. 2 × (8 – 4) × 10 ÷ 8 = In Problems 5–8, insert parentheses, brackets, and/or braces to make each equation true. 5. 8 + 28 ÷ 4 = 15 6. 5 × 9 – 6 + 2 = 17 7. 20 – 3 + 1 × 3 = 8 8. 9 – 2 × 4 + 6 = 70 9.For the following problem, use grouping symbols to write an equation that represents the situation. Then solve the problem. A florist planted pots of tulip bulbs, with 5 bulbs in each pot. He planted 6 pots with white tulip bulbs and 4 pots with red tulip bulbs. How many bulbs did he plant in all? Unit 1 Session 3.6 INV12_BLM05_U1.indd 5 C5 © Pearson Education, Inc., or its affiliates. All Rights Reserved. 5 6/24/11 2:28 PM