Fractions: Multiplication by a whole number

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 multiplication equation on the paper:  2/8 x 4 =
3. Directress tells the child, “We will take 2/8 four times”.
4. Take 2/10 one time, two times, three times and four times.
5. Push them all together and have the child count the total number of 10ths. (8)
6. Show the child how to write the answer.
7. Do a few with the child and then have the child do some by himself. 
   

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.