Unit One Second Grade Common Core Math- PLACE VALUE Prepare 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 covered MCC2.NBT.1 Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 t