Elementary Mathematics
Lesson 117
Collect and Count Data
Ask and count
Collect and count
Votes for favourite fruit are counted into columns: apple 4, banana 6, mango 3.
Collect and count
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Conceptual model: a simplified teaching picture.
Ask your classmates: “Which is your favourite fruit?” Show pictures of an apple, a banana and a mango.How should we record each answer?
Data is a set of answers. Sorting them into groups lets us count and compare.