Lesson: Arithmetic Mean Mathematics • Second Year of Secondary School

Students will be able to

• recall how to calculate a single arithmetic mean between two numbers,
• understand that the terms between two nonconsecutive terms in an arithmetic sequence are known as “arithmetic means,”
• calculate arithmetic means inserted between two arbitrary numbers and solve related problems,
• solve problems related to the number of arithmetic means inserted between two numbers when given
  • the difference between two consecutive means,
  • the difference between any two numbered means,
  • the value of a numbered mean,
  • the sum of numbered means,
  • the ratio between two numbered means,
  • the ratio between two sums of numbered means.