1st GradeMathNumber and Operations in Base Ten
1.NBT.B.2
Understand that the two digits of a two-digit number represent amounts of tens and ones.
21 Free Worksheets for 1.NBT.B.2
All worksheets below are aligned to CCSS 1.NBT.B.2 and printable as PDF.
Related 1st Grade Standards (Number and Operations in Base Ten)
1.NBT.1Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.1.NBT.3Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.1.NBT.A.1Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.1.NBT.B.3Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.1.NBT.C.4Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value.