KS1 Maths: Calculations
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Addition and Subtraction Coral Reef Game (Reception & Years 1-2)

  • Addition & Subtraction
  • Early Years & KS1 Maths
  • Interactive Game
What do you get when you mix a big splash of colour, a huge chunk of Primary expertise, and a hearty sprinkling of CGP fun? This brilliant Addition ... More info
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Slime Addition to 20 (Year 1)

  • Addition & Subtraction
  • Key Stage 1 Maths
  • PDF
Develop children's confidence in addition with this slime themed worksheet. There are discussion and independent addition tasks with examples. Answers ... More info
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Grouping Arrays (Year 1)

  • Multiplication & Division
  • Key Stage 1 Maths
  • PDF
This worksheet is a great way for children to develop their understanding of multiplication. Can they complete the number sentences to show how many ... More info
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Number Bonds to 20 — Complete the Calculations Game (Year 1)

  • Addition & Subtraction
  • Key Stage 1 Maths
  • PDF
This game is a great way to test children's knowledge of number bonds to 20. In pairs, they must take it in turns to roll the dice. Depending on ... More info
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Addition and Subtraction Odyssey Game (Reception & Years 1-2)

  • Addition & Subtraction
  • Early Years & KS1 Maths
  • Interactive Game
What do you get when you mix a big splash of colour, a huge chunk of Primary expertise, and a hearty sprinkling of CGP fun? This brilliant Addition ... More info
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Christmas Codewords — Add and Subtract 1 or 2 (Year 1)

  • Addition & Subtraction
  • Key Stage 1 Maths
  • PDF
Free
Help children become more confident in adding or subtracting 1 or 2 with this fun worksheet. They must complete the calculations to crack the code and ... More info
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Addition and Subtraction Christmas Tree Game (Reception & Years 1-2)

  • Addition & Subtraction
  • Early Years & KS1 Maths
  • Interactive Game
What do you get when you mix a big splash of colour, a huge chunk of Primary expertise, and a hearty sprinkling of CGP fun? This brilliant Addition ... More info
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Number Bonds to 20 Number Search (Year 1)

  • Addition & Subtraction
  • Key Stage 1 Maths
  • PDF
Check children's knowledge of number bonds with this worksheet. Can they find all the number bonds to 20 in the number search? The solution to the ... More info
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Minibeast Addition (Year 1)

  • Addition & Subtraction
  • Key Stage 1 Maths
  • PDF
Mo and Sham need help working out how many minibeasts they have found in their garden. Children must solve a variety of addition problems in order to ... More info
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Number Bonds to 10 (Year 1)

  • Addition & Subtraction
  • Key Stage 1 Maths
  • PowerPoint
After going through this PowerPoint, children should be familiar with using number bonds up to 10. It explains what number bonds are and uses examples ... More info
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Number Bonds to 20 — Complete the Subtractions (Year 1)

  • Addition & Subtraction
  • Key Stage 1 Maths
  • PDF
This game is a great way to test children’s knowledge of number bonds to 20. In pairs, they must take it in turns to roll the dice. Depending on the ... More info
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Division Using Arrays (Year 1)

  • Multiplication & Division
  • Key Stage 1 Maths
  • PowerPoint
Teach children about using arrays in division with this space alien-themed PowerPoint. It demonstrates how arrays can be used to divide objects and ... More info
Our KS1 Calculations resources are ideal for teaching primary students. Including Worksheets, Activities, PowerPoints and more.

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