Unit Fractions: One Equal Part of a Whole
A Grade 3 math lesson on unit fractions such as 1/2, 1/3, 1/4 and 1/6. Includes a timed le...
View Resource : Unit Fractions: One Equal Part of a WholeA complete Grade 3 math pack on equivalent fractions: using fraction strips and pictures, finding missing numerators, comparing fractions with the same value, and explaining why 1/2 = 2/4 = 4/8. Includes a lesson plan, worksheet, quiz, homework, A5 flashcards, a rubric, detailed slides with speaker notes, Word files and answer keys.
Children discover that different fractions can name the same amount. Using fraction strips and shaded shapes they see that one half covers exactly the same space as two quarters and four eighths. They find missing numerators (1/2 = ?/6), decide whether two fractions are equivalent, and learn the pattern of multiplying the top and bottom numbers by the same number.
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Support: use fraction strips for every question. Challenge: find three equivalent fractions for 2/3 and explain the pattern with multiplication.
Activity 1 and the quiz check missing numerators; activities 2 to 6 check models and reasoning. Use the rubric for activity 6.
Always ask "Is it the same amount?" Children often think 2/4 is bigger than 1/2 because the numbers are bigger.
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