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Adjusting Two-digit Numbers by Ones or Tens

Adjusting Two-digit Numbers by Ones or Tens

Curriculum
2AS–3 Add and subtract only ones or only tens to/from a two digit number.
Enhances number manipulation skills, crucial for efficient mental calculations.
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Resources
Required Topics
Not started IconNumber Line Reasoning for Two-digit Numbers
Not started IconSubtraction as Difference Calculation
Next Topics
Not started IconCalculating Complements to 100
Not started IconMultiplication and Division Fact Fluency
Not started IconComprehensive Two-digit Number Calculations