It also gives the value of each digit in a number. Hundred squares, number lines, bundles of straws and tens and ones blocks can be really helpful for understanding place value. They can show ...

The dots can be counted to find 1 hundred, 6 tens and 7 ones. Base 10 blocks can also be used to represent a number. A 10 x 10 square block represents a hundred. A 10 x 1 row represents a ten.