Students wearing backpacks standing in a line.Investigations

Materials:

  • paper
  • pencil
  • 25 small objects (optional) e.g., coins, pebbles, popcorn kernels, etc.

There are 25 students in a straight line.
Julia is the 19th from the front, Rajesh is the 14th from the back.
Who is the closest to the front of the line?
How many students are there between Julia and Rajesh?

Possible Hints and Questions:

Maybe you could draw a picture? Or how could you use the small objects (e.g., coins, popcorn, etc.) to help you?
How many students are in front of Rajesh?

Adapted from nrich.maths.org