A scramble of number tiles and one rule — tap them in order, smallest-first or biggest-first, and watch the lineup build.
A scramble of number tiles and one rule: put them in order, least to greatest or greatest to least. The child compares by place value and taps them in sequence, watching the lineup build. Ordering a whole set stretches comparison beyond just two numbers. Best for Grades 2–4.
A free, no-signup, no-ads math game for Grades 2–4 — practising ordering-numbers, comparing-numbers, place-value, number-sense, sequencing. Play in your browser on the KidsDoMath games hub or explore more Counting & Numbers games.
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What math does Greatest Least Lab practice? Greatest Least Lab practices Ordering Numbers, Comparing Numbers, Place Value, Number Sense. A scramble of number tiles and one rule: put them in order, least to greatest or greatest to least.
What grade is Greatest Least Lab for? Greatest Least Lab is built for Grades 2–4 (ages 7–10). It sits in the Counting & Numbers strand, and it ramps across 8 levels so younger or older players find their own pace.
How do you play Greatest Least Lab? A scramble of number tiles and one rule — tap them in order, smallest-first or biggest-first, and watch the lineup build.
Is Greatest Least Lab free to play? Yes. Greatest Least Lab is free, with no ads and no sign-up, and it runs in the browser on a phone, tablet or computer.