Students should recognize that the rows (or columns) of a ratio table are some (positive rational) multiple of each other. This will be important when they begin to compare ratios.
What to look forHave students explain their strategies for solving problems involving equivalent ratios.
If Sara used 3 cups of pancake mix to make 24 pancakes, how many cups would she need to make 40 pancakes?
Answer: 3:24 is equivalent to 1:8, which is equivalent to 5:40. So, the answer is 5 cups of pancake mix.