FL

These are the resources that support this Florida Standard.

MA.1.AR.2.3 - Determine the unknown whole number in an addition or subtraction equation, relating three whole numbers, with the unknown in any position.

Displaying 1 - 50 of 142 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 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
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
Equations Word Search Puzzle 2

Equations Word Search Puzzle 2

Equations Word Search Puzzle 2

Review key vocabulary on the topic of equations with this interactive and printable word search puzzle.

Applications of Equations and Inequalities, Solving One-Step Equations and Solving Two-Step Equations
INSTRUCTIONAL RESOURCE: Math Examples--One-Variable Equations

INSTRUCTIONAL RESOURCE: Math Examples 34

INSTRUCTIONAL RESOURCE: Math Examples--One-Variable Equations

The complete set of 21 examples that make up this set of tutorials.

Applications of Equations and Inequalities
INSTRUCTIONAL RESOURCE: Tutorial: The Equals Sign Is Not an Operator!

INSTRUCTIONAL RESOURCE: Tutorial: The Equals Sign Is Not an Operator!

INSTRUCTIONAL RESOURCE: Tutorial: The Equals Sign Is Not an Operator!

In this presentation, learn the basics of equations and dispel the misconception that the equals sign is an operator.

Applications of Equations and Inequalities
What Is an Equation?

INSTRUCTIONAL RESOURCE: Tutorial: What Is an Equation?

INSTRUCTIONAL RESOURCE: Tutorial: What Is an Equation?

An equation shows a relationship between two quantities. Note: The download is a PDF.

Applications of Equations and Inequalities and Variables and Unknowns
What Is an Identity?

INSTRUCTIONAL RESOURCE: Tutorial: What Is an Identity?

INSTRUCTIONAL RESOURCE: Tutorial: What Is an Identity?

An identity is a special type of equation. It includes at least one variable and an identity is true for all values of the variable.

Applications of Equations and Inequalities
Equations Crossword Puzzle 2

Interactive Crossword Puzzle--Equations 2

Interactive Crossword Puzzle--Equations 2

Review key vocabulary on the topic of equations with this interactive and printable crossword puzzle.

Applications of Equations and Inequalities, Solving One-Step Equations and Solving Two-Step Equations
Equations Crossword Puzzle

Interactive Crossword Puzzle: Equations

Interactive Crossword Puzzle: Equations

Review key vocabulary on the topic of equations with this interactive and printable crossword puzzle.

Applications of Equations and Inequalities
Interactive Math Game, Equation Sort 2

Interactive Math Game: Equation Sort 2

Interactive Math Game: Equation Sort 2

Use this math game to review one-step equations. Students are shown four equations and are asked to correctly label the equation with drag-and-drop.

Applications of Equations and Inequalities and Solving One-Step Equations
Equations Word Search Puzzle

Interactive Word Search Puzzle: Equations

Interactive Word Search Puzzle: Equations

Review key vocabulary on the topic of equations with this interactive and printable word search puzzle.

Applications of Equations and Inequalities
MATH EXAMPLES--Teacher's Guide: Solving One-Variable Equations

MATH EXAMPLES--Teacher's Guide: Solving One-Variable Equations

MATH EXAMPLES--Teacher's Guide: Solving One-Variable Equations

This Teacher's Guide provides an overview of the 27 worked-out examples that solve a variety of one-variable equations.

Applications of Equations and Inequalities
Math Video Definition 1--Addition and Subtraction Concepts--Addend

Math Video Definition 1--Addition and Subtraction Concepts--Addend

Math Video Definition 1--Addition and Subtraction Concepts--Addend

Addition Expressions and Equations
Math Video Definition 1--Addition and Subtraction Concepts--Addend (Spanish Audio)

Math Video Definition 1--Addition and Subtraction Concepts--Addend (Spanish Audio)

Math Video Definition 1--Addition and Subtraction Concepts--Addend (Spanish Audio)

Addition Expressions and Equations
Math Video Definition 10--Addition and Subtraction Concepts--Commutative Property

Math Video Definition 10--Addition and Subtraction Concepts--Commutative Property

Math Video Definition 10--Addition and Subtraction Concepts--Commutative Property

Addition Expressions and Equations
Math Video Definition 10--Addition and Subtraction Concepts--Commutative Property (Spanish Audio)

Math Video Definition 10--Addition and Subtraction Concepts--Commutative Property (Spanish Audio)

Math Video Definition 10--Addition and Subtraction Concepts--Commutative Property (Spanish Audio)

Addition Expressions and Equations
Math Video Definition 11--Addition and Subtraction Concepts--Counting

Math Video Definition 11--Addition and Subtraction Concepts--Counting

Math Video Definition 11--Addition and Subtraction Concepts--Counting

Addition Expressions and Equations
Math Video Definition 11--Addition and Subtraction Concepts--Counting (Spanish Audio)

Math Video Definition 11--Addition and Subtraction Concepts--Counting (Spanish Audio)

Math Video Definition 11--Addition and Subtraction Concepts--Counting (Spanish Audio)

Addition Expressions and Equations
Math Video Definition 12--Addition and Subtraction Concepts--Counting On

Math Video Definition 12--Addition and Subtraction Concepts--Counting On

Math Video Definition 12--Addition and Subtraction Concepts--Counting On

Addition Expressions and Equations
Math Video Definition 12--Addition and Subtraction Concepts--Counting On (Spanish Audio)

Math Video Definition 12--Addition and Subtraction Concepts--Counting On (Spanish Audio)

Math Video Definition 12--Addition and Subtraction Concepts--Counting On (Spanish Audio)

Addition Expressions and Equations
Math Video Definition 13--Addition and Subtraction Concepts--Difference

Math Video Definition 13--Addition and Subtraction Concepts--Difference

Math Video Definition 13--Addition and Subtraction Concepts--Difference

Addition Expressions and Equations
Math Video Definition 13--Addition and Subtraction Concepts--Difference (Spanish Audio)

Math Video Definition 13--Addition and Subtraction Concepts--Difference (Spanish Audio)

Math Video Definition 13--Addition and Subtraction Concepts--Difference (Spanish Audio)

Addition Expressions and Equations
Math Video Definition 14--Addition and Subtraction Concepts--Equals Sign

Math Video Definition 14--Addition and Subtraction Concepts--Equals Sign

Math Video Definition 14--Addition and Subtraction Concepts--Equals Sign

Addition Expressions and Equations