Modeling Whole Numbers and Decimals (Base-10 Blocks)

Model numbers with base-10 blocks. Drag flats, rods, and individual cubes onto a mat to model a number. Blocks can be exchanged from one area of the mat to the other. Four sets of blocks are available to model a variety of whole numbers and decimals.

  Launch Gizmo


  • Model whole numbers using base-10 blocks.
  • Model decimals using base-10 blocks.
  • Model a single number in several different ways.
    • For example, 32 can be represented with 3 rods and 2 cubes, or with 2 rods and 12 cubes.
  • Model regrouping with base-10 blocks.
  • base-10 blocks, base-10 system, decimal, decimal point, whole number