
The concept of a fraction is thought to have started with the ancient Egyptians. Egyptian fraction notation was developed in the Middle Kingdom of Egypt which lasted from approximately 2040 to 1782 BC.
FRACTIONS
How did the ancient Egyptians work with fractions?
Key questions
1. What is the meaning of 'fraction'?
2. Can we order a list of fractions?
3. Can we find a fraction of an amount?
4. How do we add or subtract fractions?
5. How do we multiply or divide fractions?
~4 lessons
Literacy
stories that set a frame or background
stories that accompany or intertwine
stories that introduce
stories that explain
stories that ask a question
stories that entertain
Numbed! by David Lubar
Introducing...
cancelling - 1
collect 4 - 1
crack the code - 3
fraction bars - 1
fraction links - 3
fraction match - 1
cuisenaire fractions - 1, 2, 3
Developing...
half is in the middle - 1, 2, 5
smile workcards pack 1 - 1, 2, 3, 4, 5
smile workcards pack 2 - 1, 2, 3, 4, 5
smile workcards pack 3 - 1, 2, 3, 4, 5
Review...
egyptian fractions - 1, 2, 3, 4, 5
yohaku puzzles - 4
from one fraction to another - 3, 5
fraction sequences - 1, 2, 5
fraction tarsia - 4, 5
fraction tree - 2, 4, 5
one twentieth - 4
pmp fractions - 1, 2, 3, 4 ,5
farey sequences - 1, 2, 4
narrative