Mathematical Thinking and Expression – Exploring, Processing, and Problem-Solving

Other Pennsylvania Learning Standards for Early Childhood sets

• Approaches to Learning through Play – Constructing, Organizing, and Applying Knowledge
• Creative Thinking and Expression – Communicating through the Arts
• Health, Wellness, and Physical Development – Learning About My Body
• Language and Literacy Development – English Language Arts
• Scientific Thinking and Technology – Exploring, Scientific Inquiry, and Discovery
• Scientific Thinking and Technology – Exploring, Scientific Inquiry, and Discovery
• Social and Emotional Development – Student Interpersonal Skills

Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e .g ., claps), acting out situations, verbal explanations, expressions, or equations .2.2 PK.A.1.1

Explain adding and subtracting sets of objects up to and including six, using basic math vocabulary (e .g ., putting together, adding to, taking away, taking apart, taking from) .2.2 PK.A.1.2

Join sets of objects .2.2 PK.A.1.3

Separate sets of objects .2.2 PK.A.1.4

Add objects to a set and tell a number story about it .2.2 PK.A.1.5

Engage in mathematical play .2.2 PK.MP.1

Persist in mathematical play (Reference AL.2 PK.C).2.2 PK.MP.2

Problem-solve during mathematical play (Reference AL.4 PK.C).2.2 PK.MP.3

When prompted, communicate thinking while engaged in mathematical play .2.2 PK.MP.4

Talk and listen to peers during mathematical play .2.2 PK.MP.5

Use common forms of numerical representation (e .g ., fingers, tally marks, dots) .2.2 PK.MP.6

Describe objects in the environment using names of shapes .2.3 PK.A.1.1

Recognize and describe the attributes of geometric figures .2.3 PK.A.1.2

Describe the relative positions of objects using terms such as above, below, beside, in front of, behind, and next to .2.3 PK.A.1.3

Identify shapes as two-dimensional (lying in a plane, “flat”) or three- dimensional (solid) .2.3 PK.A.1.4

Analyze and compare two- and three- dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts, and other attributes .2.3 PK.A.2.1

Model shapes in the world by building shapes from components and drawing shapes .2.3 PK.A.2.2

Use geoboards to create shapes with rubber bands .2.3 PK.A.2.3

Use simple shapes to compose larger shapes .2.3 PK.A.2.4

Engage in geometric play .2.3 PK.MP.1

Persist in geometric play (Reference AL.2 PK.C).2.3 PK.MP.2

Problem-solve during geometric play (Reference AL.4 PK.C).2.3 PK.MP.3

When prompted, communicate thinking while engaged in geometric play .2.3 PK.MP.4

Talk and listen to peers during geometric play2.3 PK.MP.5

Recognize attributes of objects that can be measured .2.4 PK.A.1.1

Measure objects using non-standard items (e .g ., hands, shoes, yarn, blocks) .2.4 PK.A.1.2

Practice use of standard measurement tools .2.4 PK.A.1.3

Practice using measurement vocabulary .2.4 PK.A.1.4

Sort and order by one attribute .2.4 PK.A.1.5

Use ordinal number words to describe the position of objects (first, second, last) .2.4 PK.A.1.6

Compare two objects with a measureable attribute in common to see which object has “more of”/“less of” the attribute and describe the difference .2.4 PK.A.1.7

Classify up to 10 objects using one attribute into categories .2.4 PK.A.4.1

Display the number of objects in each category .2.4 PK.A.4.2

Count and compare the quantities of each category to describe which category has “more of”/“less of” the attribute .2.4 PK.A.4.3

Engage in activities that include measuring, representing, organizing, and understanding data .2.4 PK.MP.1

Persist in activities that include measuring, representing, organizing, and understanding data (Reference AL.2 PK.C).2.4 PK.MP.2

Problem-solve in activities that include measuring, representing, organizing, and understanding data (Reference AL.4 PK.C).2.4 PK.MP.3

When prompted, communicate thinking while engaged in activities that include measuring, representing, organizing, and understanding data .2.4 PK.MP.4

Talk and listen to peers during activities that include measuring, representing, organizing, and understanding data .2.4 PK.MP.5