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# Washington Standards First Grade Mathematics resources

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Core Content: Whole number relationships (Numbers, Operations) Students continue to work with whole numbers to quantify objects. They consider how numbers relate to one another. As they expand the set of numbers they work with, students start to develop critical concepts of ones and tens that introduce them to place value in our base ten number system. An understanding of how ones and tens relate to each other allows students to begin adding and subtracting two-digit numbers, where thinking of ten ones as one ten and vice versa is routine. Some students will be ready to work with numbers larger than those identified in the Expectations and should be given every opportunity to do so.

1.1.A. Count by ones forward and backward from 1 to 120, starting at any number, and count by twos, fives, and tens to 100.

Flip Charts Addition

Flip Charts Circle Around

Flip Charts Columns Across

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Equal

Flip Charts Function Machine

Flip Charts Hundred Counting Chart

Flip Charts Magic Squares

Flip Charts Math Grade 2

Flip Charts More or Less

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Number Order

Flip Charts Number Sense & Operations Math Readiness

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts One-to-One

Flip Charts Recognizing Numbers 1-10

Flip Charts Step It Up

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtraction

Quiz, Flash Cards, Worksheet, Game & Study Guide Counting to 999

Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition without Regrouping

Quiz, Flash Cards, Worksheet, Game & Study Guide Odd and Even

Quiz, Flash Cards, Worksheet, Game & Study Guide Odd and Even

Quiz, Flash Cards, Worksheet, Game & Study Guide One Less, One More

Quiz, Flash Cards, Worksheet, Game & Study Guide One More, One Less

Quiz, Flash Cards, Worksheet, Game & Study Guide Sequencing

Quiz, Flash Cards, Worksheet, Game & Study Guide Sequencing

Quiz, Flash Cards, Worksheet, Game & Study Guide Skip Counting

Quiz, Flash Cards, Worksheet, Game & Study Guide Skip Counting

Quiz, Flash Cards, Worksheet, Game & Study Guide Using Number Line

1.1.D. Order objects or events using ordinal numbers.

Flip Charts Math Grade 2

Flip Charts Number Order

Flip Charts Number Sense & Operations Math Readiness

Flip Charts Ordinal Numbers

Flip Charts Ordinal Numbers

Flip Charts Ordinal Numbers

Quiz, Flash Cards, Worksheet, Game & Study Guide Ordinals

Quiz, Flash Cards, Worksheet, Game & Study Guide Ordinals

1.1.E. Write, compare, and order numbers to 120.

Flip Charts Addition

Flip Charts Circle Around

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Math Grade 2

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts Place Value

Flip Charts Recognizing Numbers 1-10

Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Numbers

Quiz, Flash Cards, Worksheet, Game & Study Guide Counting to 999

Quiz, Flash Cards, Worksheet, Game & Study Guide Greater Than, Less Than

Quiz, Flash Cards, Worksheet, Game & Study Guide Ordering Numbers and Objects by Size

Quiz, Flash Cards, Worksheet, Game & Study Guide Sequencing

Quiz, Flash Cards, Worksheet, Game & Study Guide Sequencing

Quiz, Flash Cards, Worksheet, Game & Study Guide Using Number Line

1.1.F. Fluently compose and decompose numbers to 10.

Flip Charts Adding Two-digit Numbers

Flip Charts Adding Two-digit Numbers

Flip Charts Addition Facts

Flip Charts Columns Across

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Equal

Flip Charts Function Machine

Flip Charts Magic Squares

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts More or Less

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts One-to-One

Flip Charts Recognizing Numbers 1-10

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtraction

Flip Charts Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

1.1.G. Group numbers into tens and ones in more than one way.

Flip Charts Adding Two-digit Numbers

Flip Charts Adding Two-digit Numbers

Flip Charts Addition Facts

Flip Charts Columns Across

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Equal

Flip Charts Function Machine

Flip Charts Magic Squares

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts More or Less

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts One-to-One

Flip Charts Recognizing Numbers 1-10

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtraction

Flip Charts Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

1.1.H. Group and count objects by tens, fives, and twos.

Flip Charts Circle Around

Flip Charts Counting 1-100

Flip Charts Number Order

Quiz, Flash Cards, Worksheet, Game & Study Guide Odd and Even

Quiz, Flash Cards, Worksheet, Game & Study Guide Odd and Even

Quiz, Flash Cards, Worksheet, Game & Study Guide Skip Counting

Quiz, Flash Cards, Worksheet, Game & Study Guide Skip Counting

1.1.I. Classify a number as odd or even and demonstrate that it is odd or even.

Flip Charts Circle Around

Quiz, Flash Cards, Worksheet, Game & Study Guide Odd and Even

Quiz, Flash Cards, Worksheet, Game & Study Guide Odd and Even

Core Content: Addition and subtraction (Operations, Algebra) Students learn how to add and subtract, when to add and subtract, and how addition and subtraction relate to each other. Understanding that addition and subtraction undo each other is an important part of learning to use these operations efficiently and accurately. Students notice patterns involving addition and subtraction, and they work with other types of patterns as they learn to make generalizations about what they observe.

1.2.A. Connect physical and pictorial representations to addition and subtraction equations.

Flip Charts Addition

Flip Charts Columns Across

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Equal

Flip Charts Function Machine

Flip Charts Magic Squares

Flip Charts More or Less

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts One-to-One

Flip Charts Recognizing Numbers 1-10

Flip Charts Step It Up

Flip Charts Subtraction

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property

Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition without Regrouping

Quiz, Flash Cards, Worksheet, Game & Study Guide One Less, One More

Quiz, Flash Cards, Worksheet, Game & Study Guide One More, One Less

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction is not Commutative

Quiz, Flash Cards, Worksheet, Game & Study Guide Using Number Line

1.2.B. Use the equal sign (=) and the word equals to indicate that two expressions are equivalent.

Flip Charts Adding Two-digit Numbers

Flip Charts Adding Two-digit Numbers

Flip Charts Addition Facts

Flip Charts Columns Across

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Equal

Flip Charts Function Machine

Flip Charts Magic Squares

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts More or Less

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts One-to-One

Flip Charts Recognizing Numbers 1-10

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtraction

Flip Charts Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

1.2.C. Represent addition and subtraction on the number line.

Flip Charts Adding Two-digit Numbers

Flip Charts Adding Two-digit Numbers

Flip Charts Addition

Flip Charts Addition Facts

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts Recognizing Numbers 1-10

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Using Number Line

1.2.D. Demonstrate the inverse relationship between addition and subtraction by undoing an addition problem with subtraction and vice versa.

Flip Charts Columns Across

Flip Charts Function Machine

Flip Charts Magic Squares

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction is not Commutative

1.2.E. Add three or more one-digit numbers using the commutative and associative properties of addition.

Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property

1.2.F. Apply and explain strategies to compute addition facts and related subtraction facts for sums to 18.

Flip Charts Adding Two-digit Numbers

Flip Charts Adding Two-digit Numbers

Flip Charts Addition

Flip Charts Addition Facts

Flip Charts Columns Across

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Counting 1-100

Flip Charts Equal

Flip Charts Function Machine

Flip Charts Magic Squares

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts More or Less

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Number Order

Flip Charts Number Sense & Operations Math Readiness

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts One-to-One

Flip Charts Recognizing Numbers 1-10

Flip Charts Step It Up

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtraction

Flip Charts Subtraction

Flip Charts Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property

Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition without Regrouping

Quiz, Flash Cards, Worksheet, Game & Study Guide One Less, One More

Quiz, Flash Cards, Worksheet, Game & Study Guide One More, One Less

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction is not Commutative

Quiz, Flash Cards, Worksheet, Game & Study Guide Using Number Line

1.2.G. Quickly recall addition facts and related subtraction facts for sums equal to 10.

Flip Charts Adding Two-digit Numbers

Flip Charts Adding Two-digit Numbers

Flip Charts Addition

Flip Charts Addition Facts

Flip Charts Columns Across

Flip Charts Count and Write 1-10

Flip Charts Counting 1-100

Flip Charts Counting 1-100

Flip Charts Equal

Flip Charts Function Machine

Flip Charts Magic Squares

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts More or Less

Flip Charts Number 1

Flip Charts Number 10

Flip Charts Number 2

Flip Charts Number 3

Flip Charts Number 4

Flip Charts Number 5

Flip Charts Number 6

Flip Charts Number 7

Flip Charts Number 8

Flip Charts Number 9

Flip Charts Number Order

Flip Charts Number Order

Flip Charts Number Sense & Operations Math Readiness

Flip Charts Numbers 1-10 Math Readiness - SPANISH EDITION

Flip Charts One-to-One

Flip Charts Recognizing Numbers 1-10

Flip Charts Step It Up

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtracting Two-digit Numbers

Flip Charts Subtraction

Flip Charts Subtraction

Flip Charts Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Addition Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Commutative Property

Quiz, Flash Cards, Worksheet, Game & Study Guide Double Digit Addition without Regrouping

Quiz, Flash Cards, Worksheet, Game & Study Guide One Less, One More

Quiz, Flash Cards, Worksheet, Game & Study Guide One More, One Less

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction Facts

Quiz, Flash Cards, Worksheet, Game & Study Guide Subtraction is not Commutative

Quiz, Flash Cards, Worksheet, Game & Study Guide Using Number Line

1.2.H. Solve and create word problems that match addition or subtraction equations.

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

Quiz, Flash Cards, Worksheet, Game & Study Guide Story Problems

1.2.I. Recognize, extend, and create number patterns.

Quiz, Flash Cards, Worksheet, Game & Study Guide Number Patterns

Core Content: Geometric attributes (Geometry/Measurement) Students expand their knowledge of two- and three-dimensional geometric figures by sorting, comparing, and contrasting them according to their characteristics. They learn important mathematical vocabulary used to name the figures. Students work with composite shapes made out of basic two-dimensional figures as they continue to develop their spatial sense of shapes, objects, and the world around them.

1.3.A. Compare and sort a variety of two- and three-dimensional figures according to their geometric attributes.

Flip Charts Circle

Flip Charts Circle

Flip Charts Cone

Flip Charts Cone

Flip Charts Cube

Flip Charts Cube

Flip Charts Cylinder

Flip Charts Cylinder

Flip Charts Exploring Shapes Math Readiness

Flip Charts Exploring Shapes Math Readiness - SPANISH

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts Oval

Flip Charts Oval

Flip Charts Plane Shapes

Flip Charts Rectangle

Flip Charts Rectangle

Flip Charts Rhombus

Flip Charts Rhombus

Flip Charts Shape Up

Flip Charts Solid Shapes

Flip Charts Sphere

Flip Charts Sphere

Flip Charts Square

Flip Charts Square

Flip Charts Symmetry

Flip Charts Triangle

Flip Charts Triangle

Quiz, Flash Cards, Worksheet, Game & Study Guide Shapes

Quiz, Flash Cards, Worksheet, Game & Study Guide Solids

1.3.B. Identify and name two-dimensional figures, including those in real-world contexts, regardless of size or orientation.

Flip Charts Circle

Flip Charts Circle

Flip Charts Cone

Flip Charts Cone

Flip Charts Cube

Flip Charts Cube

Flip Charts Cylinder

Flip Charts Cylinder

Flip Charts Dot to Dot

Flip Charts Exploring Shapes Math Readiness

Flip Charts Exploring Shapes Math Readiness - SPANISH

Flip Charts Math Grade 1

Flip Charts Math Grade 2

Flip Charts Oval

Flip Charts Oval

Flip Charts Plane Shapes

Flip Charts Rectangle

Flip Charts Rectangle

Flip Charts Rhombus

Flip Charts Rhombus

Flip Charts Shape Up

Flip Charts Solid Shapes

Flip Charts Sphere

Flip Charts Sphere

Flip Charts Square

Flip Charts Square

Flip Charts Symmetry

Flip Charts Triangle

Flip Charts Triangle

Quiz, Flash Cards, Worksheet, Game & Study Guide Shapes

Quiz, Flash Cards, Worksheet, Game & Study Guide Solids

Quiz, Flash Cards, Worksheet, Game & Study Guide Symmetry

Core Content: Concepts of measurement (Geometry/Measurement) Students start to learn about measurement by measuring length. They begin to understand what it means to measure something, and they develop their measuring skills using everyday objects. As they focus on length, they come to understand that units of measure must be equal in size and learn that standard-sized units exist. They develop a sense of the approximate size of those standard units (like inches or centimeters) and begin using them to measure different objects. Students learn that when a unit is small, it takes more of the unit to measure an item than it does when the units are larger, and they relate and compare measurements of objects using units of different sizes. Over time they apply these same concepts of linear measurement to other attributes such as weight and capacity. As students practice using measurement tools to measure objects, they reinforce their numerical skills and continue to develop their sense of space and shapes.

1.4.C. Compare lengths using the transitive property.

Flip Charts Full & Empty

Flip Charts Long & Short

Flip Charts Positions & Opposites Math Readiness

Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Objects

1.4.D. Use non-standard units to compare objects according to their capacities or weights.

Quiz, Flash Cards, Worksheet, Game & Study Guide Comparing Objects

1.4.F. Name the days of the week and the months of the year, and use a calendar to determine a day or month.

Flip Charts Calendar

Flip Charts Math Grade 1

Quiz, Flash Cards, Worksheet, Game & Study Guide Calendar

Quiz, Flash Cards, Worksheet, Game & Study Guide Days of the Week

Quiz, Flash Cards, Worksheet, Game & Study Guide Months of the Year

Additional Key Content (Data/Statistics/Probability) Students are introduced to early ideas of statistics by collecting and visually representing data. These ideas reinforce their understanding of the Core Content areas related to whole numbers and addition and subtraction as students ask and answer questions about the data. As they move through the grades, students will continue to apply what they learn about data, making mathematics relevant and connecting numbers to applied situations.

1.5.A. Represent data using tallies, tables, picture graphs, and bar-type graphs.

Flip Charts Data & Graphs

Flip Charts Math Grade 2

Quiz, Flash Cards, Worksheet, Game & Study Guide Graphs