This page provides examples of math center activities aligned with the
Early Childhood Assessment in Mathematics (Board of Education of the City of New
York, 2001; State Education Department) continuum for numeration.
These activities can be used by teachers or parents to support
students' progress within a stage or to promote movement to the next
stage on the continuum. For more information on using these centers in your classroom see the **ECAM Centers** page. For more ECAM Centers see the Counting Centers, Addition and Subtraction Centers, and Multiplication and Division Centers pages.

**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

**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

**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 Match

Teen Puzzles

Tens and Ones with Snap Cubes

Four in a Row on a Hundred Grid (ver. 1)

Number Grid Puzzles

**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.

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 Hundred Grid (ver. 2)

**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.

Place Value Challenge (4 Digits)