Arrays
Peter Sullivan explains the significance of arrays in multiplicative thinking across educational levels. He highlights the importance of recognizing groups and different types of multiplicative thinking. The discussion covers inefficient counting methods and the need for better strategies. Visualizing arrays connects them to multiplication, while the concept of area is introduced through shapes and patterns, reinforcing arrays as physical representations of multiplication and grouping.
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1. Using arrays to show multiplication and division (Levels 2-4)
Peter Sullivan presents a problem to help students learn about raises and the significance of multiplicative thinking using arrays. He emphasizes that understanding groups and arrays is essential for developing this skill. A chocolate problem is introduced to encourage students to explore total c...
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2. Using arrays to show multiplication and division to 20 (Levels 2 - 4)
Peter Sullivan introduces multiplicative concepts for year two and three students, focusing on arrays and efficient counting with 10 frames. He addresses challenges in multiplicative thinking faced by upper primary students and explores methods for calculating cubes in prisms. Students learn flex...
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3. Using arrays to show multiplication and division to 20 (Levels 4 - 6)
Peter Sullivan highlights the importance of multiplicative thinking for students, focusing on arrays and counting methods. He explains how consistent row values aid in calculations and explores different array configurations. The discussion connects array concepts to calculations, emphasizing var...
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4. Using arrays to show multiplication and division to 20 (Levels 5 and 6)
Peter Sullivan explains the significance of arrays in multiplicative thinking across educational levels. He highlights the importance of recognizing groups and different types of multiplicative thinking. The discussion covers inefficient counting methods and the need for better strategies. Visual...
