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Mathematics / Add and Subtract within 20

Mathematics / Add and Subtract within 20

2.OA.2. Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.

Exercises
Topics
Exercises
Topics
  • Simple Addition within 20

    Tags : Addition of numbers smaller than 20, and some smaller 2 digit numbers, picture problems showing addition.

    • Questions: 14

    Simple Subtraction within 20

    Tags : Subtraction of numbers smaller than 20, and some smaller 2 digit numbers, picture problems showing subtraction.

    • Questions: 21
    • Simple addition within 20
    • Simple subtraction within 20

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