From a random list to a worksheet

Worksheets built from memory use the same six animals every year. The fix is not more imagination; it is a workflow that starts with a draw instead of a blank page. This is the one I would use if I were making one worksheet a week.

Step 1: set the pool before you write anything

Decide what the worksheet is testing, then set the pool to match. A unit on vertebrates gets five separate rounds, one per group, not one round from all animals. A unit on local wildlife gets a pasted list of local species. The custom list guide covers the formatting if you go that route.

Step 2: draw, and do not reroll

Open the generator, set the number to the length of the worksheet, and take the result. If one of the animals is unusable — it happens, usually because the common name is obscure even for you — redraw the whole round rather than swapping one animal. Swapping one is how a worksheet drifts back to the six familiar animals.

Copy the list. Each line has the common name and the scientific name, which is what you need for the questions in step 3.

Step 3: write the questions against the list, not before it

This is the step that makes the worksheet good, and it is the one most people skip. Read the drawn animals first, then write questions that only work for those animals. A question like "which of these is a mammal" is generic; "two of these five are in the same genus — which two" can only be written after the draw.

Three question types that survive a random draw:

• Classification: group the animals by class, or by habitat, or by diet.
• Comparison: pick two from the list and ask for three differences and one similarity.
• Naming: give the scientific names in a scrambled column and ask for the matching common names.

Step 4: make version B from the same questions

Draw a second round from the same pool, then swap only the animals in the questions. The structure, difficulty and marking stay identical, which is what makes a retake fair. Two worksheets, one set of answers to write, about two minutes of work.

Keep version A and version B in the same file, one after the other, with the pool name at the top. In June you will not remember which class sat which version, and the file will tell you.

Step 5: print and file

These worksheets are text, so a monochrome laser printer is enough; there is nothing on the page that needs colour. Two practical notes:

• Name the file by pool and date — reptiles-2026-10-18 — not by topic. Topics get renamed; pools do not.
• Print one spare copy. The student who was absent will need it, and reprinting one page later is more annoying than printing one extra now.

What this workflow does not solve

It does not make the worksheet good on its own. A random list of animals with generic questions is still a generic worksheet. What the draw does is remove the decision about which animals to use, which is the decision that eats the time and produces the same six animals every year.

It also does not check the animals for you. A round can include a species that is wrong for the unit — a marine fish in a lesson about woodland — and only you can spot that. When it happens, redraw the round rather than editing one line, for the reason in step 2.

A note on answer keys

Write the answer key at the same time as the questions, not afterwards. With a random draw this matters more than usual, because the answers are not the ones you have given before and there is no memory to fall back on. Two minutes now, or ten minutes in the staff room before the lesson.

Related

• Using a random animal generator in the classroom — the lesson formats these worksheets fit into.
• How to read a scientific name — for the naming questions in step 3.
• Using your own animal list — when the unit is local rather than global.