The Add within 100: Level 1 exercise appears under the Early math Math Mission. This exercise helps students to understand adding under 100 by breaking down numbers into tens and ones.

Types of Problems

There is one type of problem in this exercise:

  1. Break down and answer: This problem takes an arithmetic question, breaks it down to tens and ones, and asks the KA user to find the answer.

    Break down and answer


This exercise is easy to attain both accuracy badges and speed badges.

  1. The addition problems involve no carrying at this stage, therefore they can be done mentally and the answers can be inserted accordingly.

Real-life Applications

  1. Addition can be used for adding objects, like adding money totals.
  2. Addition is a major fundamental for higher math levels like algebra, calculus, and more.

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