Chapter 3: Place Value: Tens and Ones
Tens and ones, making numbers, breaking numbers into tens and ones.
Topic 3.1: Tens and Ones Foundations
📖 Read Lesson (15m)
Understand base ten blocks and place value positions.
Topic 3.2: Making and Breaking Numbers (Expanded Form)
📖 Read Lesson (15m)
Compose and decompose numbers into tens and units.