## NY-2.OA.2a: Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

There are 109 resources.
Title Description Thumbnail Image Curriculum Topics

## Math Games Collection: Drag-N-Drop

### Overview

Addition Facts to 25, Counting, Subtraction Facts to 25, Place Value, Polynomial Expressions, Division Expressions and Equations, Point-Slope Form, Slope-Intercept Form, Standard Form, Slope, Applications of Linear Functions, Quadratic Equations and Functions, Data Analysis, Multiplication Expressions and Equations, Solving One-Step Equations, Quadratic Formula, Numerical Expressions, Variable Expressions and Solving Two-Step Equations

## Math Worksheet Collection: Differences to 10

Subtraction Facts to 10

## Math Video Collection: Counting

### Overview This collection aggre

Counting, Addition Facts to 25 and Subtraction Facts to 25

## Closed Captioned Video: Counting and Addition

### Closed Captioned Video: Counting and Addition In this video tutorial, students are shown how to use their counting skills to add two numbers. Three worked-out examples provide an opportunity for students to see how to use their counting skills to add.

Addition Facts to 25 and Counting

## Closed Captioned Video: Counting and Subtraction

### Closed Captioned Video: Counting and Subtraction In this video tutorial, students are shown how to use their counting skills to subtract two numbers. Three detailed examples show how to use counting to subtract.

Counting and Subtraction Facts to 25

## INSTRUCTIONAL RESOURCE: Tutorial: Adding and Subtracting with Powers of 10

### INSTRUCTIONAL RESOURCE: Tutorial: Adding and Subtracting with Powers of 10 Learn to add and subtract with powers of 10. All examples use column addition or subtraction.

Addition Expressions and Equations and Place Value

## 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: 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--DragNDrop--Counting and Addition

### Interactive Math Game--DragNDrop Math--Arithmetic--Counting and Addition In this drag-and-drop game, have students practice their counting skills to add numbers. This includes using Counting On. This game generates thousands of different combinations, offering an ideal opportunity for skill review in a game format.

Addition Facts to 25 and Counting

## Interactive Math Game--DragNDrop--Counting and Subtraction

### Interactive Math Game--DragNDrop Math--Arithmetic--Counting and Subtraction In this drag-and-drop game, have students practice their counting skills to subtract numbers. This includes using Counting On and counting backward. This game generates thousands of different combinations, offering an ideal opportunity for skill review in a game format.

Counting and Subtraction Facts to 25

## Interactive Math Game--What's the Diff?

### Interactive Math Game--What's the Diff? In this game, students are shown pictorial representations of subtraction expressions and equations. They drag-and-drop their response and are given immediate feedback.

Subtraction Facts to 10

## Interactive Math Game: Fishing for Facts (Differences to 10)

### Interactive Math Game: Fishing for Facts (Differences to 10) In this math game, students practice their math subtraction facts to 10. Have students match subtraction statements and the difference.

Subtraction Facts to 10