# Center

Estimate and Measure (1–4)

## Stage 1: Choose Your Unit

### Narrative

Students choose an object and a familiar unit to measure it with. They estimate the length of the object and then measure to see the actual length to the nearest whole unit.

**Variation:**

Students may use base-ten cubes and add the length of two objects to practice adding within 100.

### Additional Information

Gather or identify objects of various lengths that are less than 20 units (pencils, markers, books, glue, scissors, shoe, tape dispenser, side of desk).

## Stage 2: Centimeters and Inches

### Narrative

Students choose an object and a unit (inches, feet, centimeters) to measure it with. They estimate the length of the object and then measure to see the actual length to the nearest whole unit.

### Additional Information

Gather or identify objects of various lengths (pencils, markers, books, glue, scissors, shoes, tape dispensers, sides of desk, length of bulletin board).

## Stage 3: Quarter Inches

### Narrative

Students choose and estimate the length of the object and then measure to see the actual length to the nearest \(\frac{1}{4}\) inch.

### Additional Information

Gather or identify objects of various lengths (pencils, markers, books, glue, scissors, shoe, tape dispenser, side of desk, length of bulletin board).

## Stage 4: Eighth Inches

### Narrative

Students choose and estimate the length of the object and then measure to see the actual length to the nearest \(\frac{1}{8}\) Inch.

### Additional Information

Gather or identify objects of various lengths (pencils, markers, books, glue, scissors, shoe, tape dispenser, side of desk, length of bulletin board).