1. Find the value of each expression. Find the value of the expression. COURSE 2 LESSON 1-9 a. 2 + 3 10 32 Add 2 + 30Multiply. 2 + 3 10 1-9

2. Find the value of each expression. Order of Operations and the Distributive Property COURSE 2 LESSON 1-9 b. 10 ÷ 5 2 4 Multiply. 2 2 Divide. 10 ÷ 5 2 1-9

3. Find the value of each expression. Order of Operations and the Distributive Property COURSE 2 LESSON 1-9 c. 9 + 3 5 – 1 23 Add and subtract. 9 + 15 – 1Multiply. 9 + 3 5 – 1 1-9

4. Find the value of each expression. Order of Operations and the Distributive Property COURSE 2 LESSON 1-9 d. 9 + 3 (5 – 1) 9 + 12Multiply. 21Add. 9 + 3 4 Work inside grouping symbols. 9 + 3 (5 – 1) 1-9

5. You have a piece of wallboard with a piece cut from one corner. What is the area of the wallboard? Order of Operations and the Distributive Property COURSE 2 LESSON 1-9 The length of the missing piece is 5 ft. Its width is 2 ft. Area of original wallboardArea of missing pieceWords Expression – –12 45 2 1-9

6. (continued) Order of Operations and the Distributive Property COURSE 2 LESSON 1-9 The area of the wallboard is 38 ft 2. 12 4 – 5 2 = 48 – 10 Multiply. = 38 Subtract. 1-9