Adding and Subtracting Negative Numbers — Interactive Lesson (Ages 10–11)

Still unsure what happens when subtracting a negative number turns into addition? This substantial 36-slide interactive lesson gives pupils extensive, self-marking practice adding and subtracting negative numbers.

Mastering Negative Numbers in Year 6 Maths

Pupils practise adding and subtracting negative numbers, building the fluency within the Year 6 National Curriculum area of number. Negative number rules are a genuinely common source of confusion at this stage, and the substantial slide count gives pupils the extensive, varied practice needed to apply them correctly and confidently.

What’s Included

• 36-slide interactive lesson on negative numbers
• Extensive practice adding and subtracting negatives
• Self-marking activities with instant feedback
• Step-by-step guidance through each rule
• A number-line approach to support visual understanding

Key Benefits for Students

• Builds genuine confidence with negative number rules
• Instant feedback confirms correct working straight away
• Extensive practice across a substantial number of slides
• Prepares pupils for negative number work at secondary school
• Builds a genuine habit of visualising the number line before answering

Why Teachers Love It

• No prep — ready to use on any interactive whiteboard
• Self-marking format supports independent practice
• Substantial enough to carry a full lesson on this topic
• A thorough single resource for a genuinely tricky topic
• A dependable refresher whenever negative-number confidence dips

Love this? You’ll love…

• Comparing Large Numbers — Interactive Lesson (Ages 10–11)
• Subtracting Decimals — Interactive Lesson (Ages 10–11)
• Area of Any Triangle — Interactive Lesson (Ages 10–11)

A strong addition to any Year 6 number topic, whether taught as the main lesson introducing negative number rules or used for focused revision before secondary school builds directly on this fluency. The number-line approach used throughout gives pupils something concrete to visualise rather than memorising rules by rote alone, which matters most when confidence is still genuinely fragile.

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FAQ

What year group is this for? Year 6 (ages 10–11).

Does it cover multiplication and division too? No — this lesson focuses specifically on addition and subtraction.

Is it self-marking? Yes, instant feedback throughout.