New Curriculum for Basic 1
Basic 1 Mathematics
Sub-Strand 3: Fractions
Develop an understanding of halves using concrete and pictorial representations
Understand the fraction one-half as the quantity obtained by taking 1 part when a whole is partitioned into two equal parts
We use pictorial representations to explain the fraction half as the quantity obtained by taking 1 part when a whole object is partitioned into two equal parts.
To make Circles, halves and other fractions:
1. Use a compass or a round container / lid to draw 6 (or more) Circles on cardboard:
2. Cut out the Circles:
3. Optional: paint or colour the Circles in different colours:
4. With a ruler, draw the diameter on 1 of the Circles. This is the longest line you can draw between two points on the edge of the circle. If you used a compass, simply draw the line over the small hole that the needle has made:
5. Cut the Circle in half:
6. Take another Circle; cut it in 3 pieces, like this:
7. Take some more Circles, and cut them in 6, 4 and 8 pieces, like this:
8. Leave at least one of the Circles whole:
Make as many sets of Circles as you will need for your lesson. Children could work in groups of 3 or 4, using one set among them.
There should be one whole Circle for each child.
Steps in Teaching:
1. Show a whole Circle:
2. Show the 2 halves. Place one of the halves on the whole, and demonstrate how the 2 halves together make a whole:
3. Place 2 of the 1/3 pieces on the whole. Ask the children if it is a half?
Place any of the other fractions, and ask the same question.
4. Repeat steps 2 and 3 until all children see and understand what a ‘half’ is.
5. Give each group a set of Circles.
6. The children make halves with the different fraction pieces. They can each use a whole Circle as base:
You can use the same set of Circles to also teach other aspects of Fractions.
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