This packet is a great assessment or review activity for CCS 2.NBT.1; 2.NBT.1a; and 2.NBT.1b.
This packet contains 22 problems which assess the above standards in a variety of ways.
Check out my other assessments for the Numbers and Operations in Base Ten Strands:
2.NBT.2 SKIP COUNTING
2.NBT.3 READING AND WRITING NUMBERS
2.NBT.4 COMPARING NUMBERS
2.NBT.5 ADDITION AND SUBTRACTION WITH REGROUPING (2 DIGIT)
2.NBT.6 ADDING UP TO 4 NUMBERS
2.NBT.7 ADDITION ANS SUBTRACTION WITH REGROUPING
NUMBERS & OPERATIONS IN BASE TEN BUNDLE