Food fractions 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources This task is about finding the fraction of a set. Sam had lots of food at his birthday party. Question 1Change answer a) There were 16 sandwiches and half of these were eaten. a) There were 16 sandwiches and half of these were eaten. How many sandwiches were eaten? Question 1Change answer b) There were 12 donuts and a third had pink icing on them. b) There were 12 donuts and a third had pink icing on them. How many donuts had pink icing? Question 1Change answer c) One of the 4 bottles of soft drink was drunk at Sam's party. c) One of the 4 bottles of soft drink was drunk at Sam's party. What fraction of the soft drink bottles were drunk? Question 1Change answer d) Nine of the twelve pieces of pie were eaten. d) Nine of the twelve pieces of pie were eaten. What fraction of the pie was eaten? Question 1Change answer e) Sam cut his birthday cake into 15 pieces. After the party \(1 \over 5\) of the cake was left over. e) Sam cut his birthday cake into 15 pieces. After the party \(1 \over 5\) of the cake was left over. How many pieces of cake were left? Task administration: This task can be completed with pencil and paper or online (with auto marking displayed to students). Level: 3 Curriculum info: Maths, Number and Algebra, Number Strategies Keywords: fractions, partitioning, fractions as operators Description of task: Students identify given fractions of sets. Curriculum Links: This resource can help to identify students' ability to apply simple multiplicative strategies to find fractions of sets, shapes, and quantities. Learning Progression FrameworksThis resource can provide evidence of learning associated with Multiplicative thinking, sets 4-5 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Y4 (11/1998) a) 8 easy b) 4 difficult c) 1/4 difficult d) 3/4 or 9/12 difficult e) 3 very difficult Diagnostic and formative information: Common error Likely calculation Likely reason b)e) 35 Gives denominator of the fraction asked for. b)e) 910 12 - 315 - 5 Subtracts denominator of fraction asked for from total number. c)d) 19 Gives numerator (number of items) rather than fraction of items. For more information about fractions as operstors, see the Fractional thinking concept map. Sharing Easter eggs Buying Christmas presents Food fractions II Cookie monster Hungry shark Soccer season Model car fractions Counters and fractions Money fractions Fractions of money Fraction Soup Toy holiday Food for the day Fractions and sets Building percentages Farm fractions Shading fractions of sets and shapes Fruit Salad
