2. Add 2.67 +3.59. a. Draw the base 10 block representation showing all regrouping. (5 points) b. Write a step-by-step process using detail and correct mathematical language. (5 points) c. Include the standard algorithm showing all regrouping. (3 points) 3. Multiply 1.23 x 2.54 using the standard algorithm. How do you justify the placement of the decimal point? 7 points) 4. a.) Use the percent grid to solve the following problem. Be sure to use the grid to solve the problem. This goes beyond coloring the grid to demonstrate the answer. 17 points) There are 425 students in Smith Elementary School. 28% of the students are taking the standardized test during the week of April 10. How many students are taking the standardized test during the week of April 10? b.) Solve this problem using any other method. (5 points) 2. Add 2.67 +3.59. a. Draw the base 10 block representation showing all regrouping. (5 points) b. Write a step-by-step process using detail and correct mathematical language. (5 points) c. Include the standard algorithm showing all regrouping. (3 points)