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Mastering Mental Maths Strategies for NAPLAN Success in Year 3 and Year 5

Preparing for NAPLAN Numeracy can feel overwhelming for many parents and students, especially when it comes to mental maths. Yet, mental maths skills are essential for quick thinking and confidence during the test. This guide offers practical, calm strategies to help Year 3 and Year 5 parents support their children in mastering mental maths for NAPLAN success.


Eye-level view of a child solving mental maths problems on paper with a pencil
Child practicing mental maths with pencil and paper

Why Mental Maths Matters for NAPLAN


Mental maths is more than just quick calculation. It builds number sense, improves problem-solving skills, and helps students approach questions with confidence. During NAPLAN, students face timed questions where mental maths can save valuable seconds. Developing these skills early reduces anxiety and boosts overall numeracy performance.


For Year 3 and Year 5 students, mental maths questions often involve:


  • Addition and subtraction of two- and three-digit numbers

  • Multiplication and division facts

  • Understanding place value

  • Simple fractions and decimals

  • Number patterns and sequences


Focusing on these areas with mental maths strategies helps children tackle questions without relying on written calculations.


Practical Mental Maths Strategies for Parents to Use at Home


Parents play a key role in nurturing mental maths skills. Here are effective strategies to practice with your child:


1. Break Numbers into Friendly Parts


Teach your child to split numbers into parts that are easier to work with. For example, to add 47 + 36, break it down:


  • 40 + 30 = 70

  • 7 + 6 = 13

  • Then add 70 + 13 = 83


This method, called partitioning, simplifies calculations and builds understanding of place value.


2. Use Number Bonds and Fact Families


Number bonds are pairs of numbers that combine to make a target number, like 8 + 2 = 10. Practicing these helps children recall basic facts quickly.


Try asking your child:


  • What two numbers make 15?

  • What is 9 plus 6?


Fact families link addition and subtraction or multiplication and division, reinforcing relationships between operations.


3. Practice Skip Counting and Multiplication Tables


Skip counting by 2s, 5s, 10s, and other numbers strengthens multiplication skills. For example, counting by 5s: 5, 10, 15, 20, 25...


Encourage daily practice of multiplication tables up to 10x10. Use games, songs, or flashcards to make it fun.


4. Estimate Before Calculating


Estimation helps children check if their answers are reasonable. For example, when adding 198 + 205, estimate by rounding:


  • 200 + 200 = 400


Then calculate the exact answer. This skill improves number sense and confidence.


5. Use Real-Life Situations


Incorporate mental maths into everyday activities:


  • Calculate the total cost while shopping

  • Work out change when paying

  • Measure ingredients while cooking

  • Count steps or distances during walks


These practical examples make maths relevant and enjoyable.


Building Confidence Through Regular Practice


Consistency is key. Short, daily mental maths sessions of 10-15 minutes are more effective than occasional long sessions. Use a mix of written exercises, oral questions, and games.


Encourage your child to explain their thinking aloud. This deepens understanding and reveals any misconceptions.


Celebrate progress, no matter how small. Positive reinforcement builds motivation and reduces test anxiety.


Tools and Resources to Support Mental Maths Learning


Several resources can assist parents and students:


  • Online mental maths games tailored for Year 3 and Year 5 levels

  • Printable worksheets focusing on key skills like addition, subtraction, and multiplication

  • Apps that offer timed quizzes to simulate test conditions

  • Flashcards for quick fact recall


Choose resources that match your child’s learning style and keep practice engaging.


Close-up view of a mental maths workbook with colourful number exercises
Mental maths workbook with colourful exercises for Year 3 and Year 5 students

Tips for Staying Calm and Supportive


NAPLAN preparation can be stressful. Parents should:


  • Maintain a positive attitude about maths

  • Avoid pressure or negative language around tests

  • Focus on effort and improvement, not just scores

  • Create a quiet, distraction-free study space

  • Encourage breaks and physical activity to refresh the mind


Your calm support helps your child approach mental maths with confidence.

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Mastering mental maths is a powerful step toward NAPLAN success for Year 3 and Year 5 students. By using simple strategies like breaking numbers apart, practicing number bonds, and applying maths in daily life, parents can help their children build strong skills and confidence. Regular, supportive practice makes mental maths less intimidating and more enjoyable. Start today with short, focused sessions and watch your child’s numeracy skills grow steadily.

Frequently Asked Questions

1. What is mental maths?

Mental maths refers to the ability to perform calculations in one's head without the use of calculators or written methods. It involves quick thinking and the application of various strategies to solve mathematical problems efficiently.

2. How can parents help their children with mental maths?

Parents can assist their children by using simple strategies such as breaking numbers apart, practicing number bonds, and incorporating maths into daily activities. Regular, supportive practice in a fun and engaging way can significantly enhance their confidence and skills.

3. What are number bonds, and why are they important?

Number bonds are pairs of numbers that add up to a certain total. For example, the number bonds for 10 are 1+9, 2+8, 3+7, etc. Understanding number bonds is crucial as they help children recognize relationships between numbers, making mental calculations easier and faster.

4. How often should we practice mental maths?

Short, focused sessions of practice are most effective. Aim for daily practice, even if it's just for 10-15 minutes. This consistency helps reinforce skills and builds confidence over time without overwhelming the child.

5. What are some fun activities to promote mental maths?

Engaging activities include playing maths games, using flashcards, solving puzzles, and incorporating maths into everyday tasks like shopping or cooking. These activities make learning enjoyable and relevant, helping children see the practical applications of mental maths.


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