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Common Core – Numbers & Operations in Base Ten

The 3rd Standard in the Core focuses on early concepts in Base Ten. Work with numbers 11-19 to gain foundations for place value. CCSS.Math.Content.K.NBT.A.1 Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or […]

The Common Core – Operations & Algebraic Thinking

The 2nd section of the Kindergarten Mathematics Core is called “Operations & Algebraic Thinking” which sounds daunting, to say the least. However, once you actually read the content, you will see that it is only focused on Adding and Subtracting (not really sure why they don’t just say that.) Understand addition, and understand subtraction. CCSS.Math.Content.K.OA.A.1 […]

The Common Core – Counting and Cardinality Pt. 3

The 3rd part of the first standard focuses on comparison greater than, less than, or equal to (the same). Compare numbers. CCSS.Math.Content.K.CC.C.6 Identify whether the number of objects in one group is greater than, less than, or equal to the number of objects in another group, e.g., by using matching and counting strategies.1 CCSS.Math.Content.K.CC.C.7 Compare […]