Mathematics is not just about numbers and equations; it's about understanding, reasoning, and problem-solving. For children in Key Stage 2 (KS2), developing strong maths reasoning and problem-solving skills is crucial. This article explores how to foster these skills, aligned with the KS2 curriculum, and provides practical tips for parents and educators.
Understanding Maths Reasoning and Problem-Solving in KS2
Maths reasoning involves understanding and applying mathematical concepts, while problem-solving requires identifying, understanding, and finding solutions to mathematical challenges. In KS2, children are expected to develop these skills through various topics, including number, measurement, geometry, and statistics.
Developing Maths Reasoning Skills in KS2
To enhance maths reasoning skills, children should be encouraged to explain their thinking, make connections between ideas, and justify their answers. Here are some strategies to support this:

- Explain Like I'm Five: Encourage children to explain mathematical concepts in simple terms, as if teaching it to a five-year-old. This helps them understand and remember the underlying principles.
- True or False: Present statements and ask children to determine if they're true or false. This promotes critical thinking and reasoning.
- What If?: Pose hypothetical scenarios to encourage children to apply their understanding to new situations and reason through potential outcomes.
Maths Reasoning in the KS2 Curriculum
The KS2 curriculum explicitly promotes reasoning skills through various activities. For instance, in Year 4, children are asked to 'solve problems by using reasoning' when working with fractions, decimals, and percentages.
Boosting Problem-Solving Skills in KS2
Problem-solving involves identifying, understanding, and finding solutions to mathematical challenges. Here are some ways to develop these skills:
- Real-World Problems: Use real-life scenarios to make problems more relatable and engaging. For example, ask children to calculate how many pizzas to order for a party, given the number of guests and slices per pizza.
- Break It Down: Encourage children to break complex problems into smaller, manageable steps. This makes the problem-solving process less daunting.
- Learn from Mistakes: Emphasize that mistakes are a normal part of the problem-solving process. Encourage children to learn from them and try again.
Problem-Solving in the KS2 Curriculum
The KS2 curriculum integrates problem-solving across various topics. For example, in Year 6, children are expected to 'solve problems involving addition, subtraction, multiplication, and division' when working with fractions, decimals, and percentages.

Practical Tips for Parents and Educators
Here are some practical tips to help children develop strong maths reasoning and problem-solving skills:
- Praise Effort, Not Just Correct Answers: This encourages children to persist with challenging problems and fosters a growth mindset.
- Use a Variety of Resources: Incorporate worksheets, online games, apps, and real-life objects to make learning engaging and interactive.
- Make It Fun: Use puzzles, games, and hands-on activities to make learning enjoyable and memorable.
Developing strong maths reasoning and problem-solving skills takes time and practice. By incorporating the strategies and tips outlined above, parents and educators can help KS2 children build a solid foundation in mathematics that will serve them well throughout their lives.





















