B Math | Kumon Answer Book Level

In Level B, worksheets mix addition and subtraction on the same page. A child in "addition mode" will add even when the sign is minus. Fix: Before solving any problem, have the student circle the operation sign (+ or -) at the beginning of each row.

Hand the worksheet back to the student. Say, "Problem 8 is wrong. Try it again." The student must redo the problem. You then re-check using the answer book. Why this works: It forces the child to trace their steps. If they got 42+18 = 50 (wrong), they realize they forgot to carry the tens. They correct it to 60. That moment of struggle creates memory. kumon answer book level b math

Level B is a critical turning point in the Kumon Math program. It marks the transition from the "baby math" of Levels 4A-2A (which focuses on counting and number recognition) and Level A (addition) into the world of Subtraction. In Level B, worksheets mix addition and subtraction

Key Concept: Vertical Subtraction. Prerequisite: Mastery of Level A (Vertical Addition). Even without the answer book, you can help

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.

Even without the answer book, you can help your child pass Level B. Here are the three biggest hurdles in Level B math.