P.1 – L3 P.P. Key LESSON 3 PRACTICE PROBLEMS KEY a b c 1) The side z is between which two integers? c) 16 and 17 3 2) What is the length of AB in the right triangle above? b) 24 3) A rectangular box has a base that is a rectangle with width 5 in. and length 10 in. If the volume of the box is 975 cubic inches, what is the height of the box? A lesson plan is a step-by-step guide that provides a structure for an essential learning. It helps the teacher to choose the materials, adapt the activities to student's needs, be prepared to possible problems.Estimate the sum of each addition problem to check if the student’s answer is reasonable. If not, cross out the answer and write the correct answer. Using the Standard Algorithm to Add Greater Numbers Addition Problems Student Answers 8,997 Estimate: 1 11,2982,301 31,998 9,000 1 2,000 23,411 1 35,507 12,918 72,418 1 41,291 113,709 67,802 1 ...