Kumon Answer Book Level B Math Verified Guide

For Level B, many errors happen in borrowing (e.g., 62 - 39). If the child redoes it and still gets it wrong, sit with them. Look at the answer book. Say, "According to the book, the answer is 23. Let's count backwards from 62... 61, 60... No. Let's subtract the ones: 2 minus 9... we cannot. So we borrow." Use the answer as the destination , but walk them through the path .

Unlike addition, subtraction requires a stronger grasp of number sense, specifically the ability to recognize "how many more" are needed to make 10, and the understanding that the larger number must be on top. kumon answer book level b math

The goal is to achieve "instantaneous" fluency (less than 3 seconds per problem) to build a foundation for advanced algebra. Structure of the Answer Book For Level B, many errors happen in borrowing (e

modeled after the Level B format to test their current speed? Say, "According to the book, the answer is 23