This packet contains 6 differentiated math centers tied into the common core standards. I placed a focus on identifying the missing numbers within numbers sentences (ex: 6 + __ = 8, ___ - 4 = 2, 10 - 3 = __)

The centers are:

* Number Match Up for the tens and ones place(students match standard, word, and expanded forms)

* Challenge Number Match Up for the hundreds, tens, and ones place
(students match standard, word, and expanded forms) {this center has the same graphics and layout as the basic version}

* Missing parts of a number sentence
(addition sums to 12)

* Challenge Missing parts of a number sentence
(addition sums to 20) {this center has the same graphics and layout as the basic version}

* Missing parts of a number sentence
(subtraction with numbers to 12)

* Challenge Missing parts of a number sentence
(subtraction with numbers to 20)
{this center has the same graphics and layout as the basic version}

Don't forget, they are also designed for springtime.

Take a look at my springtime literacy centers here: http://www.teacherspayteachers.com/Product/Spring-Into-Center-Time-Includes-12-Literacy-Center-Activities