Free 2.NBT.A.1.B Common Core PDF Math Worksheets

The first digit in a three-digit number - the 9 in 900 - tells how many bundles of hundreds make up that number: the numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to 1, 2, 3, 4, 5, 6, 7, 8, or 9 hundreds (and 0 tens and 0 ones).