Allow one minute to work. Have students share their decomposition and simplifying strategies. S: 6 × 4 hundreds. (6 × 4) × 100. 24 × 100. T: Using the expression of your choice, solve for 6 × 400. S: 6 × 400 is 24 hundreds or 2,400. Display 4 × 500 on the board. T: Use a simplifying strategy to solve 4 × 500. Allow one minute to work. Have students share their decomposition and simplifying strategies. S: 4 × 5 hundreds. (4 × 5) × 100. 20 × 100. (2 × 10) × 100. 2 × 10 × 100. 2 × 1,000. T: Using the expression of your choice, solve for 4 × 500. S: 4 × 500 is 2 thousands or 20 hundreds or 2,000. Problem Set (10 minutes) Students should do their personal best to complete the Problem Set within the allotted 10 minutes. For some classes, it may be appropriate to modify the assignment by specifying which problems they work on first. Some problems do not specify a method for solving. Students should solve these problems using the RDW approach used for Application Problems.
Allow one minute to work. Have students share their decomposition and simplifying strategies. S: 6 × 4 hundreds. (6 × 4) × 100. 24 × 100. T: Using the expression of your choice, solve for 6 × 400. S: 6 × 400 is 24 hundreds or 2,400. Display 4 × 500 on the board. T: Use a simplifying strategy to solve 4 × 500. Allow one minute to work. Have students share their decomposition and simplifying strategies. S: 4 × 5 hundreds. (4 × 5) × 100. 20 × 100. (2 × 10) × 100. 2 × 10 × 100. 2 × 1,000. T: Using the expression of your choice, solve for 4 × 500. S: 4 × 500 is 2 thousands or 20 hundreds or 2,000. Problem Set (10 minutes) Students should do their personal best to complete the Problem Set within the allotted 10 minutes. For some classes, it may be appropriate to modify the assignment by specifying which problems they work on first. Some problems do not specify a method for solving. Students should solve these problems using the RDW approach used for Application Problems.