### PA.CC.2.1.K. Numbers and Operations

#### CC.2.1.K.A. Counting & Cardinality

##### CC.2.1.K.A.1. Know number names and write and recite the count sequence.

**Odd and Even**All numbers are either odd or even. When a number is even, it can be split into two sets without any leftovers. When you split a number into two sets and there is one left over, that means the number is odd. Read more...iWorksheets :3Study Guides :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1##### CC.2.1.K.A.2. Apply one-to-one correspondence to count the number of objects.

**Odd and Even**All numbers are either odd or even. When a number is even, it can be split into two sets without any leftovers. When you split a number into two sets and there is one left over, that means the number is odd. Read more...iWorksheets :3Study Guides :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1**Skip Counting**What is Skip Counting? Skip counting means you do not say every number as you count. You only count special numbers. There are many different ways to skip count. E.g. when counting by twos, you only say every second number: 2 4 6 8 10. Read more...iWorksheets :3Study Guides :1##### CC.2.1.K.A.3. Apply the concept of magnitude to compare numbers and quantities.

**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Greater Than, Less Than**When a number is greater than another number, it means that is is larger. > is the greater than symbol. < is the less than symbol. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1#### CC.2.1.K.B. Numbers & Operations in Base Ten

##### CC.2.1.K.B.1. Use place value to compose and decompose numbers within 19.

**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Addition, Subtraction and Fractions**Addition, Subtraction and Fractions Worksheets and Printables. Add and subtract within 20. Fractions: Slice a pizza, and we get fractions. A fraction represents part of a whole. Read more...iWorksheets :11### PA.CC.2.2.K. Algebraic Concepts

#### CC.2.2.K.A. Operations and Algebraic Thinking

##### CC.2.2.K.A.1. Extend the concepts of putting together and taking apart to add and subtract within 10.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1**Addition, Subtraction and Fractions**Addition, Subtraction and Fractions Worksheets and Printables. Add and subtract within 20. Fractions: Slice a pizza, and we get fractions. A fraction represents part of a whole. Read more...iWorksheets :11### PA.CC.2.3.K. Geometry

#### CC.2.3.K.A. Geometry

##### CC.2.3.K.A.1. Identify and describe two- and three-dimensional shapes.

**Shapes**FreeA shape is the form something takes. Read more...iWorksheets :12Study Guides :1Vocabulary :2### PA.CC.2.4.K. Measurement, Data, and Probability

#### CC.2.4.K.A. Measurement and Data

##### CC.2.4.K.A.1. Describe and compare attributes of length, area, weight, and capacity of everyday objects.

**Measurement**FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets :12Study Guides :1Vocabulary :2##### CC.2.4.K.A.4. Classify objects and count the number of objects in each category.

**Attributes**FreeAn attribute describes an object.
<br>You use attributes to describe two objects when they are not the same.
<br>An attribute can tell you if an object is shorter, taller, longer or smaller than another object. Read more...iWorksheets :18Study Guides :1Vocabulary :3Standards

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