Tap a cube for one and a rod for ten to build one-more, one-less, ten-more, and ten-less with base-ten blocks.
With base-ten blocks the child taps a cube for one and a rod for ten to make one-more, one-less, ten-more, and ten-less than a number. Seeing a whole rod appear for +10 embodies place value. Best for Grades 1–2.
A free, no-signup, no-ads math game for Grades 1–2 — practising one-more-one-less, ten-more-ten-less, place-value, counting, number-sense. Play in your browser on the KidsDoMath games hub or explore more Counting & Numbers games.
More like this: Number Bonds Bridge · Greatest Least Lab · Number Detective.