Lining up & Interval( Week 27 Evaluation) 1. There are 20 students lining up in a row. Counting from one end, Martha is at the 5th place. At which place will Martha be if counting from the other end of the row? 2. Students are lining up in a row. There are 11 students on Emily's left and 2 students are on Emily's right. How many students are there in the row? 3. There are 15 rungs on a ladder. Nancy is on the 3rd rung and David is on the 10th rung. How many rungs are there between Nancy and David excluding the ones that they are on? 4. All students are lining up in a row. There are 4 students on Helen's right and 4 students on Curtis's left and 10 students between Helen and Curtis. How many students are on Helen's left? 5. There are 15 students lining up in a row. There are 2 students on Alice's left and 4 students on Larry's right. How many students are between Alice and Larry? 6. There are 19 students standing in a cycle. Martha and Larry are among them. There are 3 students between Martha and Larry if counting from her left side. How many students are between Martha and Larry in counting from her right side? 7. All students are lining up in a row. There are 3 students on Alice's right and 4 students on Eric's left and 7 students between Alice and Eric. How many students are in the row? 8. All students are lining up in a row. There are 3 students on Julia's right and 4 students on Andy's left and 6 students between Julia and Andy. How many students are on Andy's right? 9. There are 20 students lining up in a row. There are 3 students on Larry's right, how many more students are on Larry's left than on his right? 10. A group of students stand in a cycle. Helen and David are among them. If Helen starts to count from her right side and counts herself as the 1st one, then David is the 11th students. If she starts to count from her left side and count herself as the 1st one, then David is the 7th students. How many students are there in total? |