Challenge children to explain, justify, and deepen their mathematical thinking with this engaging Adding by Making 10 – Reasoning and Problem Solving Questions Pack. Designed for KS1 pupils, this resource helps children apply the make 10 strategy through a variety of reasoning, discussion, and mastery-style questions rather than simple calculation practice.

Pupils explore concepts through activities such as True or False?, Spot the Mistake, Complete the Thinking, Convince Me, Find the Missing Number, and Create a Calculation, encouraging them to explain their reasoning and develop confidence in mathematical discussion.

The pack also includes mastery style challenges such as Always, Sometimes, Never, Who is Correct?, Mystery Number, Greater Than, Less Than or Equal To, and pattern spotting tasks to extend children’s understanding of number relationships and efficient calculation strategies.

• Ideal for KS1 pupils
• Focuses on the make 10 addition strategy
• Develops reasoning and problem solving skills
• Encourages mathematical explanation and discussion
• Supports maths mastery approaches
• Perfect for challenges, interventions, group work and assessment
• Print and go resource

A fantastic resource for helping children move beyond procedural fluency and develop a deeper understanding of addition through reasoning, justification, and problem solving.

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