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Secure Fluency in Addition and Subtraction Crossing Ten

Secure Fluency in Addition and Subtraction Crossing Ten

Curriculum
3NF-1: Secure fluency in addition and subtraction facts that bridge 10, through continued practice.
Building on basic facts to ensure quick and accurate calculations, preparing students for more complex arithmetic.
Read full documentation
Resources
Hugo Cheyneover 1 year ago
https://www.khanacademy.org/math/cc-2nd-grade-math/x3184e0ec:add-and-subtract-within-20

Full interactive unit on Khan Academy to practice addition and subtraction within 20.

Hugo Cheyneover 1 year ago
https://www.khanacademy.org/math/cc-2nd-grade-math/x3184e0ec:add-and-subtract-within-20/x3184e0ec:subtract-within-20/e/subtraction_2

Interactive exercise to practice subtraction within 20.

Hugo Cheyneover 1 year ago
https://www.khanacademy.org/math/cc-2nd-grade-math/x3184e0ec:add-and-subtract-within-20/x3184e0ec:add-within-20/e/addition_2

Interactive exercise to practice addition within 20.

Required Topics
Not started IconAddition and Subtraction Crossing Ten
Next Topics
Not started IconColumnar Addition and Subtraction
Not started IconScaling Number Facts by 10