Base Ten Blocks – Unit, Rod and Flat

The three base ten pieces every place-value lesson needs: the unit cube worth 1, the rod worth 10, and the flat worth 100 — all built on a true 10 mm module so they stack and compare exactly. The dimensions are the whole product here, so they are worth stating plainly. The unit is a 10 mm cube. The rod is 10 × 100 × 10 mm, which is exactly ten units laid end to end. The flat is 100 × 100 × 10 mm, exactly ten rods side by side and exactly one hundred units. Lay ten units against the rod and they…

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