Data Collection, Organisation… · B3 Mathematics

Lesson notes

Learning Objectives

Indicator: B3.4.1.2.1 - Draw and interpret concrete graphs and pictographs to solve problems

By the end of the lesson, learners can:

Identify and name the key features of a pictograph: title, labels, categories, key or legend, and rows or columns.
Use a one-to-many correspondence (for example, 1 symbol = 2 items) to draw a pictograph from a simple data set with up to 3 categories.
Read and interpret a pictograph to answer how-many-all-together, comparing, and take-apart questions.
Explain, in their own words, why a key (legend) is necessary when using one-to-many correspondence.
Use a completed pictograph to solve a simple real-life problem and justify their answers.

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Curriculum details

Strand: Data (Strand 4)
Sub-strand: Data Collection, Organisation, Presentation, Interpretation and Analysis (4.1)
Content standard: B3.4.1.2 - Construct and interpret concrete graphs and pictographs to solve problems
Indicator: B3.4.1.2.1 - Draw and interpret concrete graphs and pictographs to solve problems
Suggested placement: Term 3, Week 12 (Week 36 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Mathematics Curriculum for Primary Schools (Basic 1-3), 2019, p. 73
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1. Identify common features of bar graphs that use one-to-many correspondence and use that understanding to create concrete graphs or pictographs, complete with title, labeled axes, key or legend, to represent data collected (up to 3 categories of data)
E.g. 2. Using a one-to-many correspondence solve simple problems (how many altogether, comparing, or take apart problems) requiring interpretation of one-to-many bar graphs (up to 3 categories of data)