Lining up & Interval( Week 27 Evaluation) 1. There are 23 students lining up in a row. Counting from one end, Helen is at the 8th 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 Martha's left and 6 students are on Martha's right. How many students are there in the row? 3. There are 10 rungs on a ladder. Richard is on the 1st rung and Julia is on the 6th rung. How many rungs are there between Richard and Julia excluding the ones that they are on? 4. All students are lining up in a row. There are 3 students on Jane's right and 3 students on Steve's left and 7 students between Jane and Steve. How many students are on Jane's left? 5. There are 18 students lining up in a row. There are 6 students on Laura's left and 3 students on Curtis's right. How many students are between Laura and Curtis? 6. There are 17 students standing in a cycle. Niconia and Ben are among them. There are 4 students between Niconia and Ben if counting from her left side. How many students are between Niconia and Ben in counting from her right side? 7. All students are lining up in a row. There are 4 students on Alice's right and 4 students on Tom's left and 5 students between Alice and Tom. How many students are in the row? 8. All students are lining up in a row. There are 3 students on Alice's right and 2 students on Curtis's left and 9 students between Alice and Curtis. How many students are on Curtis's right? 9. There are 19 students lining up in a row. There are 3 students on Smith's right, how many more students are on Smith's left than on his right? 10. A group of students stand in a cycle. Jessica and George are among them. If Jessica starts to count from her right side and counts herself as the 1st one, then George is the 8th students. If she starts to count from her left side and count herself as the 1st one, then George is the 13th students. How many students are there in total? |