Lesson 2 · Warm-up: What Do You Know About 10? (10 minutes) · Activity 1: Revisit What's Behind My Back, 10 Cubes (20 minutes ) · Activity 2: Sums of 10 (15 minutes).
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Substituting \(y= \frac{16}{5}\) into the Pythagorean Theorem gives \(\ left ( \ frac {16}{5} \ right )^ 2 + \left(\frac{12}{5}\ right )^ 2 =4^ 2 \) which is true. By the ...