Lining up & Interval( Week 27 Evaluation) 1. There are 26 students lining up in a row. Counting from one end, Helen is at the 14th place. At which place will Helen be if counting from the other end of the row? 2. Students are lining up in a row. There are 8 students on Hillary's left and 7 students are on Hillary's right. How many students are there in the row? 3. There are 12 rungs on a ladder. David is on the 3rd rung and Susan is on the 12th rung. How many rungs are there between David and Susan excluding the ones that they are on? 4. All students are lining up in a row. There are 2 students on Jennifer's right and 3 students on Eric's left and 8 students between Jennifer and Eric. How many students are on Jennifer's left? 5. There are 17 students lining up in a row. There are 2 students on Julia's left and 4 students on Jackson's right. How many students are between Julia and Jackson? 6. There are 20 students standing in a cycle. Mary and Jackson are among them. There are 9 students between Mary and Jackson if counting from her left side. How many students are between Mary and Jackson in counting from her right side? 7. All students are lining up in a row. There are 4 students on Hillary's right and 3 students on Curtis's left and 11 students between Hillary and Curtis. How many students are in the row? 8. All students are lining up in a row. There are 2 students on Laura's right and 2 students on Eric's left and 13 students between Laura and Eric. How many students are on Eric's right? 9. There are 15 students lining up in a row. There are 4 students on Richard's right, how many more students are on Richard's left than on his right? 10. A group of students stand in a cycle. Mary and Jackson are among them. If Mary starts to count from her right side and counts herself as the 1st one, then Jackson is the 10th students. If she starts to count from her left side and count herself as the 1st one, then Jackson is the 10th students. How many students are there in total? |