SG 10 - Difference within 20

Content Name

SG 10 - Difference within 20

Content Type

Partner Content

Description

This pack contains 4 sets of carefully designed 10 by 10 Difference Grids - ideal for developing fluency in difference facts within 20 using numbers from 1 to 20. These Speed Grids can be undertaken as a timed or untimed challenge. Children should fill in as many boxes as possible within the set time. Each difference is worth 1 point so the maximum score on each grid is 100 points.

Curriculum

• Country

  England

  Key Stage:

  Key Stage 2, Key Stage 1

  Years:

  Year 1, Year 2, Year 3

  Subjects:

  • Mathematics

  Topics:

  • Number - addition and subtraction

  Programmes of Study:

  • add and subtract numbers using concrete objects, pictorial representations, and mentally, including: a two-digit number and 1s
  • recognise and use the inverse relationship between addition and subtraction and use this to check calculations and solve missing number problems
  • represent and use number bonds and related subtraction facts within 20
  • 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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