## NC.2.OA.1 - Represent and solve addition and subtraction word problems, within 100, with unknowns in all positions, by using representations and equations with a symbol for the unknown number to represent the problem, when solving: One-Step problems: o Add to/Take from-Start Unknown o Compare-Bigger Unknown o Compare-Smaller Unknown Two-Step problems involving single digits: o Add to/Take from- Change Unknown o Add to/Take From- Result Unknown

### Displaying 1 - 50 of 425 resources:

Thumbnail Image Title Description Curriculum Nodes

### INSTRUCTIONAL RESOURCE: Tutorial: Addition Facts

Students are shown various strategies for learning basic addition facts.

### INSTRUCTIONAL RESOURCE: Tutorial: How to Create a Fact Family

INSTRUCTIONAL RESOURCE: Tutorial: How to Create a Fact Family

Learn how to create fact families in this tutorial.

Addition Expressions and Equations and Subtraction Expressions and Equations

### 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

### 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

### INSTRUCTIONAL RESOURCE: Tutorial: Solving One-Step Equations

INSTRUCTIONAL RESOURCE: Tutorial: Solving One-Step Equations

In this Slide Show, learn how to solve one-step addition and subtraction equations.

Solving One-Step Equations

### INSTRUCTIONAL RESOURCE: Tutorial: Subtraction Facts

INSTRUCTIONAL RESOURCE: Tutorial: Subtraction Facts

Students are shown various strategies for learning basic subtraction facts.

Subtraction Expressions and Equations

### INSTRUCTIONAL RESOURCE: Tutorial: Summary of One-Step Equations

INSTRUCTIONAL RESOURCE: Tutorial: Summary of One-Step Equations

Solving One-Step Equations

### INSTRUCTIONAL RESOURCE: Tutorial: What Is a Fact Family?

INSTRUCTIONAL RESOURCE: Tutorial: What Is a Fact Family?

Learn about fact families through this tutorial.

Addition Expressions and Equations and Subtraction Expressions and Equations

### Interactive Math Game--Arithmetic Jeopardy: Subtraction

Interactive Math Game--Arithmetic Jeopardy: Subtraction

Use this Jeopardy-style math game to review subtraction.

Subtraction Facts to 100

### Interactive Math Game--Arithmetic Jeopardy: Sums to 100

Interactive Math Game--Arithmetic Jeopardy: Sums to 100

Use this Jeopardy-style math game to review sums to 100.

### Interactive Math Game--Math Bingo--Sums to 100

Interactive Math Game | Sums to 100

This digital bingo game is to test math fluency for sums to 100.

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 01, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 01, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 01, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 01, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 01, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 01, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 02, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 02, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 02, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 02, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 02, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 02, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 03, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 03, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 03, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 03, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 03, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 03, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 04, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 04, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 04, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 04, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 04, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 04, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 05, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 05, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 05, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 05, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 05, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 05, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 06, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 06, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 06, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 06, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 06, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 06, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 07, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 07, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 07, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 07, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 07, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 07, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 08, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 08, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 08, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 08, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 08, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 08, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 09, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 09, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 09, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 09, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 09, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 09, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 10, Level 1

Interactive Quiz: Solving One-Step Addition Equations, Quiz 10, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 10, Level 2

Interactive Quiz: Solving One-Step Addition Equations, Quiz 10, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Addition Equations, Quiz 10, Level 3

Interactive Quiz: Solving One-Step Addition Equations, Quiz 10, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 01, Level 1

Interactive Quiz: Solving One-Step Division Equations, Quiz 01, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 01, Level 2

Interactive Quiz: Solving One-Step Division Equations, Quiz 01, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 01, Level 3

Interactive Quiz: Solving One-Step Division Equations, Quiz 01, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 02, Level 1

Interactive Quiz: Solving One-Step Division Equations, Quiz 02, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 02, Level 2

Interactive Quiz: Solving One-Step Division Equations, Quiz 02, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 02, Level 3

Interactive Quiz: Solving One-Step Division Equations, Quiz 02, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 03, Level 1

Interactive Quiz: Solving One-Step Division Equations, Quiz 03, Level 1

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 03, Level 2

Interactive Quiz: Solving One-Step Division Equations, Quiz 03, Level 2

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations

### Interactive Quiz: Solving One-Step Division Equations, Quiz 03, Level 3

Interactive Quiz: Solving One-Step Division Equations, Quiz 03, Level 3

This is part of a collection of math quizzes on the topic of solving one-step equations.

Solving One-Step Equations