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NC Standards Alignments

These are the resources that support this North Carolina Standard.

NC.1.OA.1 - Represent and solve addition and subtraction word problems, within 20, with unknowns, by using objects, drawings, and equations with a symbol for the unknown number to represent the problem, when solving: Add to/Take from-Change Unknown Put together/Take Apart-Addend Unknown Compare-Difference Unknown

Displaying 1 - 50 of 341 resources:

Thumbnail Image Title Description Curriculum Nodes
Elementary Math Collection

Math Definitions Collection: Elementary Math Terms for Addition and Subtraction

This collection aggregates all the definition image cards around the topic of Elementary Math Terms for Addition and Subtraction. There are a total of 26 terms. Addition Expressions and Equations
Math Examples

Math Examples Collection: Arithmetic: Addition and Subtraction

This collection aggregates all the math examples around the topic of Arithmetic: Addition and Subtraction. There are a total of 166 images. This collection of resources is made up of downloadable PNG files that you can easily incorporate into a presentation. Addition Facts to 25, Subtraction Facts to 25, Addition Expressions and Equations, Numerical Expressions, Add Multiple-Digit Numbers, Counting, Addition Facts to 10 and Subtraction Facts to 10
Math Examples

Math Examples Collection: Two-Digit Sums (No Regrouping)

This collection aggregates all the math examples around the topic of Two-Digit Sums (No Regrouping). There are a total of 37 images. Addition Facts to 25
Math Examples

Math Examples Collection: Two-Digit Sums (With Regrouping)

This collection aggregates all the math examples around the topic of Two-Digit Sums (With Regrouping). There are a total of 34 images. Addition Facts to 25
Math Definitions

Math Video Definitions Collection: Elementary Addition and Subtraction

This collection aggregates all the video definitions around the topic of elementary addition and subtraction. There are a total of 50 videos. This collection of resources is made up of downloadable MP4 files that you can easily incorporate into a presentation. Addition Expressions and Equations
Math Definitions

Math Video Definitions Collection: Elementary Addition and Subtraction (Spanish audio)

This collection aggregates all the video definitions around the topic of elementary addition and subtraction. There are a total of 50 videos. These videos have Spanish audio. This collection of resources is made up of downloadable MP4 files that you can easily incorporate into a presentation. Addition Expressions and Equations
Math Worksheets

Math Worksheet Collection: Missing Addends

This collection aggregates all the math worksheets around the topic of Missing Addends. There are a total of 60 worksheets. Addition Facts to 10, Addition Facts to 25 and Addition Facts to 100
Math Worksheets

Math Worksheet Collection: Sums to 20

This collection aggregates all the math worksheets around the topic of Sums to 20. There are a total of 40 worksheets. Addition Facts to 25
Math Worksheets

Math Worksheet Collection: The Language of Math

This collection aggregates all the math worksheets around the topic of the Language of Math, or converting words into math expressions. There are a total of 264 worksheets. Place Value, Addition Facts to 25, Addition Facts to 100, Numerical and Algebraic Expressions, Numerical Expressions, Variable Expressions, Fractions and Mixed Numbers, Subtraction Facts to 25 and Subtraction Facts to 100
Test Prep

Test Prep Interactive Quizzes

Test Prep Interactive Quizzes are an excellent way for students to review key concepts. Each Test Prep quiz has ten multiple choice questions.

Addition Facts to 10, Addition Facts to 25, Addition Facts to 100, Place Value, Subtraction Facts to 100, Definition of an Angle, Solving One-Step Equations, Graphs of Linear Functions, Slope, Slope-Intercept Form and Counting
Worksheet

Addition Word Problems, Worksheet 1

Translate these word problems into addition statements and then find the sum.

Addition Facts to 25
Worksheet

Addition Word Problems, Worksheet 2

Translate these word problems into addition statements and then find the sum.

Addition Facts to 25
Worksheet

Addition Word Problems, Worksheet 3

Translate these word problems into addition statements and then find the sum.

Addition Facts to 25
Worksheet

Addition Word Problems, Worksheet 4

Translate these word problems into addition statements and then find the sum.

Addition Facts to 25
Elementary Math Definitions--Addition Subtraction Concepts--Adding

Elementary Math Definitions--Addition Subtraction Concepts--Adding

Adding

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Addition

Elementary Math Definitions--Addition Subtraction Concepts--Addition

Addition

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Addition Expression

Elementary Math Definitions--Addition Subtraction Concepts--Addition Expression

Addition Expression

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Associative Property

Elementary Math Definitions--Addition Subtraction Concepts--Associative Property

Associative Property

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Borrowing

Elementary Math Definitions--Addition Subtraction Concepts--Borrowing

Borrowing

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Carry Over

Elementary Math Definitions--Addition Subtraction Concepts--Carry Over

Carry Over

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Commutative Property

Elementary Math Definitions--Addition Subtraction Concepts--Commutative Property

Commutative Property

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Difference

Elementary Math Definitions--Addition Subtraction Concepts--Difference

Difference

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Equals Sign

Elementary Math Definitions--Addition Subtraction Concepts--Equals Sign

Equals Sign

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Even Number

Elementary Math Definitions--Addition Subtraction Concepts--Even Number

Even Number

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Fact Family

Elementary Math Definitions--Addition Subtraction Concepts--Fact Family

Fact Family

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--False Equation

Elementary Math Definitions--Addition Subtraction Concepts--False Equation

False Equation

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Hundreds Place

Elementary Math Definitions--Addition Subtraction Concepts--Hundreds Place

Hundreds Place

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Minus Sign

Elementary Math Definitions--Addition Subtraction Concepts--Minus Sign

Minus Sign

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Odd Number

Elementary Math Definitions--Addition Subtraction Concepts--Odd Number

Odd Number

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Ones Place

Elementary Math Definitions--Addition Subtraction Concepts--Ones Place

Ones Place

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Place Value

Elementary Math Definitions--Addition Subtraction Concepts--Place Value

Place Value

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Plus Sign

Elementary Math Definitions--Addition Subtraction Concepts--Plus Sign

Plus Sign

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Regrouping

Elementary Math Definitions--Addition Subtraction Concepts--Regrouping

Regrouping

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Subtracting

Elementary Math Definitions--Addition Subtraction Concepts--Subtracting

Subtracting

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Subtraction

Elementary Math Definitions--Addition Subtraction Concepts--Subtraction

Subtraction

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Subtraction Expression

Elementary Math Definitions--Addition Subtraction Concepts--Subtraction Expression

Subtraction Expression

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Sum

Elementary Math Definitions--Addition Subtraction Concepts--Sum

Sum

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Tens Place

Elementary Math Definitions--Addition Subtraction Concepts--Tens Place

Tens Place

Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--Title

Elementary Math Definitions--Addition Subtraction Concepts--Title

This is part of a collection of terms and definitions related to addition and subtraction, ideal for use in an early elementary classroom. Addition Expressions and Equations
Elementary Math Definitions--Addition Subtraction Concepts--True Equation

Elementary Math Definitions--Addition Subtraction Concepts--True Equation

True Equation

Addition Expressions and Equations
INSTRUCTIONAL RESOURCE: Tutorial: Counting and Adding Baby Animals, Set 2

INSTRUCTIONAL RESOURCE: Tutorial: Counting and Adding Baby Animals, Set 2

INSTRUCTIONAL RESOURCE: Tutorial: Counting and Adding Baby Animals, Set 2

In this PowerPoint presentation, have students use their counting skills to add numbers.

Addition Facts to 10 and Counting
Interactive: Basic Addition and Subtraction Vocabulary

INSTRUCTIONAL RESOURCE: Tutorial: Interactive: Basic Addition and Subtraction Vocabulary

INSTRUCTIONAL RESOURCE: Tutorial: Interactive: Basic Addition and Subtraction Vocabulary

This interactive reviews key first and second grade vocabulary on addition and subtraction.

Addition Expressions and Equations and Subtraction Expressions and Equations
Interactive: Basic Addition and Subtraction Vocabulary, Part 2

INSTRUCTIONAL RESOURCE: Tutorial: Interactive: Basic Addition and Subtraction Vocabulary, Part 2

INSTRUCTIONAL RESOURCE: Tutorial: Interactive: Basic Addition and Subtraction Vocabulary, Part 2

This interactive reviews key first and second grade vocabulary on addition and subtraction.

Addition Expressions and Equations and Subtraction Expressions and Equations
Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 1

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 1

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 1

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

Addition Facts to 25
Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 10

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 10

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 10

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

Addition Facts to 25
Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 11

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 11

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 11

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

Addition Facts to 25
Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 12

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 12

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 12

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

Addition Facts to 25
Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 13

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 13

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 13

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

Addition Facts to 25
Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 14

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 14

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 14

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

Addition Facts to 25
Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 15

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 15

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 15

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

Addition Facts to 25