Have you successfully navigated Kumon Level E? Share your tips in the comments below. And remember: The answer key is a tool, but your brain is the engine.
For Level E, you can use a standard calculator to verify an answer after the student has solved it manually. For example, if the problem is 2/3 + 1/4 , have the student solve it on paper to get 11/12 . Then convert 11/12 to a decimal (0.9166) and do the same on the calculator. If they match, the answer is likely correct. kumon answer book pdf level e math