Lining up & Interval( Week 27 Evaluation) 1. There are 23 students lining up in a row. Counting from one end, Emily is at the 7th place. At which place will Emily be if counting from the other end of the row? 2. Students are lining up in a row. There are 8 students on Susan's left and 7 students are on Susan's right. How many students are there in the row? 3. There are 13 rungs on a ladder. Eric is on the 3rd rung and Mary is on the 10th rung. How many rungs are there between Eric and Mary excluding the ones that they are on? 4. All students are lining up in a row. There are 4 students on Mary's right and 3 students on Jay's left and 7 students between Mary and Jay. How many students are on Mary's left? 5. There are 17 students lining up in a row. There are 2 students on Hillary's left and 3 students on Ed's right. How many students are between Hillary and Ed? 6. There are 15 students standing in a cycle. Julia and Andy are among them. There are 10 students between Julia and Andy if counting from her left side. How many students are between Julia and Andy in counting from her right side? 7. All students are lining up in a row. There are 5 students on Helen's right and 3 students on Steve's left and 8 students between Helen and Steve. How many students are in the row? 8. All students are lining up in a row. There are 4 students on Nancy's right and 4 students on David's left and 10 students between Nancy and David. How many students are on David's right? 9. There are 16 students lining up in a row. There are 4 students on Kevin's right, how many more students are on Kevin's left than on his right? 10. A group of students stand in a cycle. Helen and Edward are among them. If Helen starts to count from her right side and counts herself as the 1st one, then Edward is the 10th students. If she starts to count from her left side and count herself as the 1st one, then Edward is the 7th students. How many students are there in total? |