Mental strategies - subtract multiples of 100

  • Mental strategies - subtract multiples of 100
  • Course: Mathematics
  • Grade: Year 4
  • Section: Number and place value
  • Outcome: Subtracting lots of 10
  • Activity Type: Printable
  • Activity ID: 3951

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United Kingdom – National Curriculum

  • KS2 – Key Stage 2
    • KS2.Ma2 – Number and algebra
      • Knowledge, skills and understanding

        • Calculations

          • KS2.Ma2.3 – Pupils should be taught to:

            • Number operations and the relationships between them

              • KS2.Ma2.3.a – Develop further their understanding of the four number operations and the relationships between them including inverses; use the related vocabulary; choose suitable number operations to solve a given problem, and recognise similar problems to which they apply

Australia – Australian Curriculum

New Zealand – National Standards

  • 5 – Year 5
    • 5.NA – Number and algebra
      • 5.NA.1 – Apply additive and simple multiplicative strategies and knowledge of symmetry to:

        • 5.NA.1.a – Combine or partition whole numbers

  • 6 – Year 6
    • 6.NA – Number and algebra
      • 6.NA.1 – Apply additive and simple multiplicative strategies flexibly to:

        • 6.NA.1.a – Combine or partition whole numbers, including performing mixed operations and using addition and subtraction as inverse operations

United States – Common Core State Standards

  • 3 – Grade 3
    • 3.NBT – Number & Operations in Base Ten
      • Mathematics

        • 3.NBT.2 – Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

  • 4 – Grade 4
    • 4.NBT – Number & Operations in Base Ten (Grade 4 expectations in this domain are limited to whole numbers less than or equal to 1,000,000.)
      • Mathematics

        • 4.NBT.4 – Fluently add and subtract multi-digit whole numbers using the standard algorithm.