In this unit, students review place value in three-digit numbers. Students will:

- explore a simple way to draw base-ten blocks.
- match numbers and displays of base-ten blocks.

How are relationships represented mathematically?

How can mathematics support effective communication?

How can recognizing repetition or regularity assist in solving problems more efficiently?

How is mathematics used to quantify, compare, represent, and model numbers?

What does it mean to estimate or analyze numerical quantities?

What makes a tool and/or strategy appropriate for a given task?

- How is mathematics used to quantify, compare, represent, and model numbers?

**Digit:**A symbol used to make a number. 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are the ten digits we use to write numbers.**Hundreds:**The place third from the right in a number. In the number 2,435 the digit 4 is in the hundreds place.**Ones:**The place all the way on the right in a number. In the number 2,435 the digit 5 is in the ones place.**Place Value:**The value of the position of a digit in a number. In the number 7,863 the 8 is in the hundreds place and its value is 800.**Tens:**The place second from the right in a number. In the number 2,435 the digit 3 is in the tens place.

45–60 minutes

Prerequisite Skills haven't been entered into the lesson plan.

- number cards (M-2-1-1_Number Cards.docx)
- base-ten blocks
- place-value mat (M-2-1-1_Place-Value Mat.docx)
- The Number Game (M-2-1-1_The Number Game.docx)
- place-value practice cards (M-2-1-1_Place-Value Practice Cards.docx)
- Place-Value Worksheet (M-2-1-1_Place-Value Worksheet and KEY.docx)

The possible inclusion of commercial websites below is not an implied endorsement of their products, which are not free, and are not required for this lesson plan.

- number cards (M-2-1-1_Number Cards.docx)
- base-ten blocks
- place-value mat (M-2-1-1_Place-Value Mat.docx)
- The Number Game (M-2-1-1_The Number Game.docx)
- place-value practice cards (M-2-1-1_Place-Value Practice Cards.docx)
- Place-Value Worksheet (M-2-1-1_Place-Value Worksheet and KEY.docx)

Instructional videos haven't been assigned to the lesson plan.

Final 3/24/14

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