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Percent change, increase and decrease in one maths lesson

Thirty minutes of quiet homework support for older learners who need the method unpacked properly.

Play: Percent change, increase and decrease in one maths lesson
Math with Mr. J·30 min 3 secWatch on YouTube ↗
Piko approved · checked and scored

Math with Mr. J gives percent change, increase and decrease the time they need across thirty minutes of calm, low-sensory instruction. Ten- and eleven-year-olds needing homework help are the intended learners, particularly independent pupils who want to revisit a method. Under-eights should avoid it because the content is too advanced. The lesson is completely safe and free from commercial pressure. Sensory seekers may find the pace too quiet. Its length is useful for a difficult topic, but children should pause to practise rather than watch the entire explanation passively.

At a glance

Safety
100
No concern appears.
Length
30 min
The method receives full treatment.
Energy
Calming
Explanation supports focus.
Sensory feel
Low
No trigger is listed.
Learning
100
Mathematics is the complete purpose.
Commercial pull
None
Nothing is sold.

Will it actually calm them down?

Wound-up → Settled (Yellow Zone → Green)90/100
Flat & tired → Gently lifted (Blue Zone → Green)50/100
Meltdown recovery (Red Zone → Green)70/100
Eases a wound-up mood back to settled.A gentle lift on a flat, low-energy afternoon.Steady enough for meltdown recovery.

Scores measure how reliably this video moves a child toward a settled, regulated state. In the Piko app, kids tell us their weather and we do the matching automatically.

Which kids will love it?

Explorers 95Percentage relationships invite reasoning.
Independents 90Learners can work through examples alone.
Makers 80Written calculations provide a practical outlet.
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Why it works

Percentages become less mysterious when the lesson separates original value, change and final amount. The long format can revisit common errors, giving independent learners time to compare working and explorers a clear chain of reasoning. It is not entertaining in the usual sense, and that is fine: a child who needs this method benefits from precision more than decoration. The strongest follow-up is a fresh example with different numbers, because understanding appears in transfer, not in recognising the presenter’s worksheet.

When to reach for it

  • When homework stalls Pause after each worked stage and try another example.
  • For independent revision Keep paper nearby for visible working.
  • Before a maths assessment Focus on the type of percentage error that keeps recurring.

Sensory & SEN notes

PDA-safe: instruction remains optional.
ASD-safe: clear stages and low input support clarity.
Sensory-seeking note: the lesson is deliberately quiet.

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Questions parents ask

Is the percent-change lesson suitable for a 10-year-old?

Yes. It is designed for older learners needing focused homework support.

Why should under-eights skip it?

The content is specifically too advanced.

Does watching replace practising?

No. A fresh example is needed to test understanding.

40+ checks per video, with a final pass from the review desk · Scored 20 July 2026 · We do not host videos; playback is via YouTube's official embed.