Question 1: Calculate: \( \frac{3}{8} + \frac{2}{8} \).

Answer: 5/8

Question 2: Add the fractions: \( \frac{5}{12} + \frac{7}{12} \).

Answer: 12/12 or 1

Question 3: Simplify the sum: \( \frac{4}{9} + \frac{2}{9} \).

Answer: 6/9 or 2/3

Question 4: Construct a visual model on the grid to add \( \frac{1}{4} + \frac{1}{4} \).

Answer: Constructed correctly showing addition to get \( \frac{2}{4} \) or \( \frac{1}{2} \).

Question 5: Calculate: \( \frac{7}{10} + \frac{2}{10} \).

Answer: 9/10

Question 6: A recipe calls for \( \frac{3}{8} \) cup of sugar. If you add \( \frac{1}{8} \) cup more, what is the total amount of sugar?

Answer: 4/8 or 1/2

Question 7: Add \( \frac{2}{5} + \frac{2}{5} \) using a calculation method.

Answer: 4/5

Question 8: Identify the mistake in this addition: \( \frac{4}{7} + \frac{3}{7} = \frac{7}{14} \).

Answer: Incorrect because the sum should be \( \frac{4+3}{7} = \frac{7}{7} = 1 \).

Question 9: Challenge: Add \( \frac{9}{12} + \frac{2}{12} \). Simplify your answer.

Answer: 11/12

Question 10: A student incorrectly added \( \frac{2}{9} + \frac{3}{9} \) and said the answer is \( \frac{5}{8} \). Find and correct the mistake.

Answer: Incorrect because \( \frac{2}{9} + \frac{3}{9} = \frac{5}{9} \), not \( \frac{5}{8} \).