Unit One Second Grade Common Core Math- PLACE VALUEPrepare your students for the performance task and test with these activities. Use this packet for homework, a guided center, mini lesson, quizzes, or formative assessments. These activities help prepare students for higher order thinking tests like the PARCC assessment. Unit 1 Standards coveredMCC2.NBT.1 Understand that the three digits of a three-digit number representamounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens,