9 or Halve

Content Name

9 or Halve

Content Type

Partner Content

Description

This is a very different type of game to many of the others in that it doesn’t involve a Gameboard but instead is a collaborative game, where players can help each other use the strategy of adding 9 (or 19) by Rounding & Adjusting (RA).

Curriculum

• Country

  England

  Key Stage:

  Key Stage 1, Key Stage 2

  Years:

  Year 2, Year 3, Year 4, Year 5, Year 6

  Subjects:

  • Mathematics

  Topics:

  • Number - addition and subtraction
  • Number - addition, subtraction, multiplication and division

  Programmes of Study:

  • add and subtract numbers mentally with increasingly large numbers
  • add and subtract numbers using concrete objects, pictorial representations, and mentally, including: 2 two-digit numbers
  • add and subtract numbers using concrete objects, pictorial representations, and mentally, including: a two-digit number and 10s
  • add and subtract numbers using concrete objects, pictorial representations, and mentally, including: a two-digit number and 1s
  • perform mental calculations, including with mixed operations and large numbers
  • show that addition of 2 numbers can be done in any order (commutative) and subtraction of 1 number from another cannot

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