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Articles

A new angle: a teacher’s transformation of mathematics teaching practice and engagement in quantitative reasoning

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Pages 88-108 | Received 11 Nov 2020, Accepted 27 Jul 2021, Published online: 21 Dec 2021

Figures & data

Figure 1. Three spinners: different sizes, same amount of “turn.”

Figure 1. Three spinners: different sizes, same amount of “turn.”

Table 1. Six dimensions guiding account of practice sets.

Table 2. Guiding questions and focus areas.

Figure 2. Four key areas of each written account of practice.

Figure 2. Four key areas of each written account of practice.

Figure 3. Jen’s angle demonstration.

Figure 3. Jen’s angle demonstration.

Figure 4. Mathematical Merry-Go-Round: circle transparency (left), student work (right).

Figure 4. Mathematical Merry-Go-Round: circle transparency (left), student work (right).

Figure 5. How might students “see” angles?

Figure 5. How might students “see” angles?

Figure 6. Two different looking angles.

Figure 6. Two different looking angles.

Figure 7. Angles: right (90°), acute (less than 90°), and obtuse (greater than 90°).

Figure 7. Angles: right (90°), acute (less than 90°), and obtuse (greater than 90°).