Chapter 4

Counting & Numbers 0 to 10

Students will know and understand:

Students Will:

count objects in a variety of arrangements.
count forward from a number other then.
count objects up to 20 in a variety of arrangements.
count and match objects that are less than and greater than.
count to find out what is one more than any quantity.
use one to one correspondence when counting objects.
represent addition and subtraction in a variety of ways (ex. fingers, manipulatives, drawings).

Formative Test: Common

Upon completion of Unit 4:

K.CC.A.1. Count to 100 by ones and by tens.
K.CC.A.2. Count forward beginning from a given number within the known sequence (instead of having to begin at 1).
K.CC.B.4. Understand the relationship between numbers and quantities; connect counting to cardinality.
K.CC.B.4a. When counting objects, say the number names in the standard order, pairing each object with one and only one number name and each number name with one and only one object.
K.CC.B.4b. Understand that the last number name said tells the number of objects counted. The number of objects is the same regardless of their arrangement or the order in which they were counted.
K.CC.B.4c. Understand that each successive number name refers to a quantity that is one larger.
K.CC.B.5. Count to answer “how many?” questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 1–20, count out that many objects.
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.
K.OA.A.1. Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
MP.2. Reason abstractly and quantitatively.
MP.4. Model with mathematics.
MP.7. Look for and make use of structure.

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