Who has more Cake?
Order unit fractions.
Find equivalent fractions and order fractions.
Order fractions, decimals and percentages.
Number Framework Stages 6-8
Robyn wants 1/5 of a cake. Dale wants 1/8 of a cake. Who will eat more cake?” Give out the fraction pieces and let the students model fifths and eighths. Discuss which fraction is bigger.
Record “One-eighth is less than one-fifth,” and “One-fifth is greater than one-eighth” on the board or modelling book, and underneath record “ 1/5 > 1/8 ”.
Repeat this for 1/4 and 1/3, 1/6 and 1/8, 1/5 and 1/3, 1/8 and 1/4 ...
Repeat without materials. Discuss which is larger in the following pairs and why this is true: 1/10 and 1/3 , 1/12 and 1/8, 1/15 and 1/23, 1/50 and 1/27, 1/67 and 1/68, 1/59 and 1/95 ...
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