Problem: 3/4 + 3/4 Manipulative: Fraction bars Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea: when there are too many to write, make a trade Set up:
Final Solution:
Addition Problem: 1/6 + 3/4 Manipulative: Fraction bars Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea: add like units Set up:
Subtraction
Subtraction Problem: 5/8 – 3/8 Manipulative: Fraction bars Model: Take- away Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea: subtract like units Set up:
Final Solution:
Subtraction Problem: 5/8 – 1/4 Manipulative: Fraction bars Model: Take- away Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea: subtract like units Set up:
Problem: 1 – 1/3 Manipulative: Fraction bars Model: Comparison Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea: when there are too many to subtract make a trade Set up: