Fractions: Substraction with same denominator

Age
5.

Materials

 * Red fraction circles in green frames (ten circles: 1 is undivided and the others are divided into 2 -10 equal parts.
 * Label with fractions written on them: 1, 1/2, 1/2, 1/3
 * Pencil and paper
 * Skittles

Preparation
This is an individual presentation.

Presentation

 * 1) Have the child bring over the two trays of fractions.
 * 2) Write a subtraction equation on the paper. 4/8 – 1/8 =
 * 3) Create 4/8 and place it in front of the tray.
 * 4) Directres points to 1/8 and tells the child, “I will now take away 1/8”
 * 5) Move 1/8 from the 4/8 and move it off to the side.
 * 6) Directress asks the child to count how many 8th are left. (3/8)
 * 7) Have the child write the answer.
 * 8) Repeat a few times.

Control Of Error
The Directress.

Purpose

 * To help the child gain a sensorial impression of fraction.
 * To introduce the concept and notation of fractions.
 * To introduce sensorial exploration of equivalency among fractions.
 * To introduce simple operations.