This page provides examples of math center activities aligned with the Numeration continuum of the Early Childhood Assessment in Mathematics (Board of Education of the City of New York, 2001; State Education Department). These math centers can be used by teachers or parents to support students' progress within a stage, or to facilitate movement to the next stage, on the continuum. For math centers aligned with the **Counting continuum** see __here__. For math centers aligned with the **Addition and Subtraction continuum** see __here__. For more information on using ECAM centers as an ongoing routine in Kindergarten, 1st and 2nd grade classrooms see __here.__

**Stage A:**

These children are just beginning to recognize numerals. They may name some numerals from zero to ten. They do not yet understand the order of these numbers. **Next Steps:**- Recognize all numerals from 0 to 10 and understand the correct order of these numbers

Magic Fan

Missing Numbers 1-10

My Counting Book

Counting Rhymes

For more Centers aligned with stage A see

**Stage B:**

These children recognize all numerals from zero to ten, and understand the correct order of these numbers.**Next Steps:**- Recognize and compare two-digit numerals

- Name the number that comes after a two-digit number

Build a Number Line

Greater than 50

For more Centers aligned with stage B see

**Stage C:**

These children are beginning to recognize and compare many two-digit numerals. They may confuse similar ‘sounding’ numbers such as thirty and thirteen. They can tell the number that comes after a two-digit number.**Next Steps:**- Develop an understanding of the place value of two-digit numbers

- Understand that ten ones are grouped to form one ten

- Order two digit numbers

- Tell the number before a given two-digit number

Teen Counting Cup

Teen Match

Teen Puzzles

Tens and Ones with Snap Cubes

Four in a Row on a Hundreds Chart (ver. 1)

Four in a Row on a Hundreds Chart (ver. 2)

Number Grid Puzzles

For more Centers aligned with stage C see

**Stage D:**

These children are beginning to understand the place value of a two-digit number. They understand that ten ones are grouped to form one ten. They can order two-digit numbers, and can tell the number before a given two-digit number.**Next Steps:**- Recognize three-digit numerals

- Demonstrate developing understanding of the place value of three-digit numbers

- Compare and order numbers to 999

Missing Numbers (3 Digits)

Base 10 Concentration (ver.2)

Roll Three Digits

Numeral Writing Barrier Game

Comparing 3 Digit Numbers

Place Value Challenge (ver. 1)

Four in a Row on a Hundreds Chart (ver. 3)

For more Centers aligned with stage D see

**Stage E:**

These children are able to recognize three-digit numerals. They have a growing understanding of the place value of three-digit numbers. They can compare and order numbers to 999.**Next Steps:**- Recognize and order numerals beyond 1000

- Demonstrate secure understanding of place value

Roll Four Digits

Place Value Challenge (ver. 2)

For more Centers aligned with stage E see

**Stage F:**

These children can recognize and order numerals beyond 1000. They demonstrate a solid understanding of place value.**Possible Centers:****Place Value Triangle **(begin with 4 rows of cards. Build to 5 and 6 rows as students are ready)