B1.7: Represent and solve fair-share problems about equivalent fractions…

Fair Shares: Fractions and Decimals Grades 3–4 · partly supports this outcome

Is half always the same size? Where does three-quarters stand? Why is 3/4 + 2/4 not 5/8? Who jumped further, 1.4 m or 1.35 m? Four hands-on lessons where students fold, stand on a giant number line, measure recipes and measure their own jumps to make sense of fractions and decimals.

• Is half always the same size? 50–60 min

  Teams fold and cut paper granola bars into halves, quarters, eighths, thirds and sixths, and discover that a quarter of a long bar is exactly as long as a half of a short one. Students explain that a fraction names equal parts of a whole, and that the same fraction of a different whole can be a different amount.

• Where does three-quarters stand? 50–60 min

  The class builds a giant number line from 0 to 2 on the playground, and each student stands where their fraction card belongs. Students discover that 1/2, 2/4 and 4/8 all stand on the same spot, and explain fractions as numbers with a place on the line, equivalent fractions and how to compare fractions with benchmarks.

Printable practice for B1.7

These pages practise a closely related idea; the match to B1.7 is partial.

• Fair Shares: Fractions and Decimals workbook included with the unit

  2 English-support pages, 2 practice pages, 2 readings, 1 word wall, 1 unit review, 1 unit test, with answer keys.

• Grade 3 Ontario Math: Number printable pack

  2 practice pages, 2 assessments, 1 activity, with answer keys. Free sample.

• Grade 3 Common Core Math: Number and Operations printable pack

  2 practice pages, 2 assessments, 1 activity, with answer keys. Free sample.

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