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# Kindergarten Math

## Counting and Cardinality

K.CC.1

Count to 100

Count to 100 by ones and by tens.

K.CC.2

Let's Count

Count forward beginning from a given number within the known sequence (instead of having to begin at 1).

K.CC.3

Counting Numbers

Write numbers from 0 to 20. Represent a number of objects with a written numeral 0-20 (with 0 representing a count of no objects).

K.CC.4.a

Count Objects

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.4.b

Count Objects

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.4.c

Understand that each successive number name refers to a quantity that is one larger.

K.CC.5

Count How Many

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.6

More or Less?

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.

## Operations and Algebraic Thinking

K.OA.1

Use Pictures to Add and Subtract

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

K.OA.2

Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.

K.OA.3

Make Bigger Numbers

Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

K.OA.4

Friends of Ten

For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.

K.OA.5.i

K.OA.5.ii

Subtract Within 5

Subtract within 5.

## Number and Operations in Base Ten

K.NBT.1

Numbers in the Teens

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 equation (e.g., 18 = 10 + 8); understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.

## Measurement and Data

K.MD.2

Longer or Shorter?

Directly compare two objects with a measurable attribute in common, to see which object has "more of"/"less of" the attribute, and describe the difference.

K.MD.2

Heavy or Light?

Directly compare two objects with a measurable attribute in common, to see which object has "more of"/"less of" the attribute, and describe the difference.

K.MD.3

How Many in Each Group?

Classify objects into given categories; count the numbers of objects in each category and sort the categories by count.

K.MD.3

Sort Objects

Classify objects into given categories; count the numbers of objects in each category and sort the categories by count.

## Geometry

K.G.1

Shape Names

Describe objects in the environment using names of shapes, and describe the relative positions of these objects using terms such as above, below, beside, in front of, behind, and next to.

K.G.1

Over, Under, On

Describe objects in the environment using names of shapes, and describe the relative positions of these objects using terms such as above, below, beside, in front of, behind, and next to.

K.G.2

Different Shapes

Correctly name shapes regardless of their orientations or overall size.

K.G.2

Which Way Do Shapes Point?

Correctly name shapes regardless of their orientations or overall size.

K.G.3

Flat or Solid?

Identify shapes as two-dimensional (lying in a plane, "flat") or three-dimensional ("solid").

K.G.4

Square or Cube?

Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/”corners”) and other attributes (e.g., having sides of equal length).

K.G.5

Draw Shapes

Model shapes in the world by building shapes from components (e.g., sticks and clay balls) and drawing shapes.

K.G.6

Make Bigger Shapes

Compose simple shapes to form larger shapes.