A child who suddenly needs much longer to finish homework creates an immediate temptation: push harder, remove distractions and add practice. But slowness is an observation, not a cause. The useful question is what changed inside the task.

First establish what “slower” means

Compare like with like. Is the child slower only in Mathematics, only in writing, only with unfamiliar work, only late at night, or across almost everything? Has the curriculum become more complex? Is accuracy improving while speed falls? A child who is deliberately checking new work may temporarily slow down for a good reason.

Observable signs

• Homework that previously took 30 minutes regularly takes much longer.
• The child repeatedly stops because they do not know how to begin.
• Simple steps consume so much attention that little capacity remains for the larger problem.
• Reading is completed but the child repeatedly returns to the same lines.
• Writing stalls while the child searches for words, structure or spelling.
• Speed changes sharply when the task becomes timed.
• The child works reasonably early in the day but deteriorates when tired.

Separate knowledge, fluency and decision problems

A child can be slow because foundational knowledge is missing. Another can know the material but retrieve basic facts inefficiently. Another can execute individual steps quickly but spend too long deciding which method applies. These look similar from across the room but require different interventions.

Use task decomposition

Take one representative task and divide it into stages: understand the instruction, retrieve relevant knowledge, choose a method, execute, check and communicate the answer. Observe where time accumulates. Do not time every movement. The objective is to find the bottleneck.

For reading, the bottleneck might be decoding, vocabulary, sentence meaning or integration across paragraphs. For writing, it might be idea generation, organisation, sentence construction or transcription. For Mathematics, it might be fact retrieval, representation, procedure selection or checking. “Slow” becomes useful only after it is attached to a process.

Check whether difficulty has risen faster than skill

Schoolwork changes. A strategy that worked when tasks were short and direct may fail when questions require several decisions. Sometimes the child has not deteriorated; the environment has exposed a skill that was previously unnecessary. Compare current demands with earlier ones before concluding that motivation has fallen.

Help according to the bottleneck

If basic knowledge is missing, rebuild it. If retrieval is effortful, practise retrieval until important components become more fluent. If the child cannot choose a strategy, compare worked examples and ask what signals indicate each method. If planning causes writing paralysis, separate planning from drafting. If timed conditions are the problem, first secure accurate untimed performance and then introduce controlled timing.

Do not make speed the only target

Pressure can make a slow learner faster while making the thinking worse. Measure both time and quality. The aim is efficient competent performance, not merely rapid completion.

Look for changes beyond one worksheet

A sudden, substantial or persistent change across many everyday activities deserves more attention than difficulty with one newly introduced topic. Talk with teachers to see whether the same pattern appears at school. Educational observation can identify when and where performance changes, but it should not be used to infer a medical, developmental or psychological diagnosis.

The better question

Do not begin with “How do I make my child faster?” Begin with “Which part of this task is consuming the time?” Once the bottleneck is visible, help can become specific.