Lining up & Interval( Week 27 Evaluation) 1. There are 27 students lining up in a row. Counting from one end, Mary is at the 18th place. At which place will Mary be if counting from the other end of the row? 2. Students are lining up in a row. There are 14 students on Emily's left and 4 students are on Emily's right. How many students are there in the row? 3. There are 16 rungs on a ladder. Ed is on the 1st rung and Jane is on the 12th rung. How many rungs are there between Ed and Jane excluding the ones that they are on? 4. All students are lining up in a row. There are 3 students on Susan's right and 4 students on John's left and 7 students between Susan and John. How many students are on Susan's left? 5. There are 16 students lining up in a row. There are 3 students on Helen's left and 3 students on Andy's right. How many students are between Helen and Andy? 6. There are 17 students standing in a cycle. Sofia and Kevin are among them. There are 9 students between Sofia and Kevin if counting from her left side. How many students are between Sofia and Kevin in counting from her right side? 7. All students are lining up in a row. There are 3 students on Susan's right and 4 students on Ben's left and 8 students between Susan and Ben. How many students are in the row? 8. All students are lining up in a row. There are 2 students on Mary's right and 2 students on Larry's left and 13 students between Mary and Larry. How many students are on Larry's right? 9. There are 19 students lining up in a row. There are 3 students on Joe's right, how many more students are on Joe's left than on his right? 10. A group of students stand in a cycle. Anne and Tom are among them. If Anne starts to count from her right side and counts herself as the 1st one, then Tom is the 8th students. If she starts to count from her left side and count herself as the 1st one, then Tom is the 12th students. How many students are there in total? |