Subtract single digits with a missing number

  • Subtract single digits with a missing number
  • Course: Mathematics
  • Grade: Year 2
  • Section: Subtraction
  • Outcome: Single digit subtraction - missing number
  • Activity Type: Printable
  • Activity ID: 3504

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Australia – Australian Curriculum expand/collapse

  • Year 2
    • Number and Algebra
      • Number and place value

        • ACMNA029 – Explore the connection between addition and subtraction

New Zealand – National Standards expand/collapse

  • 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

United Kingdom – National Curriculum expand/collapse

  • KS1.Y1 – KS1 Year 1
    • Year 1 programme of study
      • KS1.Y1.N.AS – Number - addition and subtraction

        • Pupils should be taught to:

          • KS1.Y1.N.AS.4 – Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7 = ? - 9

  • KS1.Y2 – KS1 Year 2
    • Year 2 programme of study
      • KS1.Y2.N.AS – Number - addition and subtraction

        • Pupils should be taught to:

          • KS1.Y2.N.AS.5 – Recognise and use the inverse relationship between addition and subtraction and use this to check calculations and solve missing number problems

          • KS1.Y2.N.AS.3 – Add and subtract numbers using concrete objects, pictorial representations, and mentally, including:

            • KS1.Y2.N.AS.3.a: a two-digit number and 1s

United States – Common Core State Standards expand/collapse

  • K – Kindergarten
    • K.OA – Operations & Algebraic Thinking
      • Mathematics

        • K.OA.2 – Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.

  • 1 – Grade 1
    • 1.OA – Operations & Algebraic Thinking
      • Mathematics

        • 1.OA.8 – Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ – 3, 6 + 6 = _.

  • 2 – Grade 2
    • 2.OA – Operations & Algebraic Thinking
      • Mathematics

        • 2.OA.2 – Fluently add and subtract within 20 using mental strategies. (See standard 1.OA.6 for a list of mental strategies.) By end of Grade 2, know from memory all sums of two one-digit numbers.