## MAFS.2.OA.1.1.a: Determine the unknown whole number in an equation relating four or more whole numbers. For example, determine the unknown number that makes the equation true in the equations 37 + 10 + 10 = ______ + 18, ? – 6 = 13 – 4, and 15 – 9 = 6 + _____.

There are 185 resources.
Title Description Thumbnail Image Curriculum Topics

## 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: Using Place Value to Add Numbers to 20

### INSTRUCTIONAL RESOURCE: Tutorial: Using Place Value to Add Numbers to 20 Learn how to use place value to add numbers. Sums to 20.

Addition Expressions and Equations and Place Value

## INSTRUCTIONAL RESOURCE: Tutorial: Using Place Value to Subtract Numbers

### INSTRUCTIONAL RESOURCE: Tutorial: Using Place Value to Subtract Numbers Learn how to use place value to subtract numbers.

Place Value and Subtraction Expressions and Equations

Place Value

## Interactive Math Game: Bingo Cards: Addition-Subtraction

### Interactive Math Game: Bingo Cards: Addition-Subtraction This interactive will generate a bingo card that can be used in playing a bingo game. Unlike the standard bingo card, the bingo card generated has addition and subtraction expressions and therefore provides an ideal opportunity for students to practice their addition and subtraction skills.

Addition Facts to 100 and Subtraction Facts to 100

Place Value

## Interactive Word Search Puzzle: Basic Addition and Subtraction Vocabulary

### Interactive Word Search Puzzle: Basic Addition and Subtraction Vocabulary Review key addition and subtraction vocabulary with this interactive word search puzzle.

Addition Expressions and Equations and Subtraction Expressions and Equations

## Interactive Word Search Puzzle: Subtraction Facts

### Interactive Word Search Puzzle: Subtraction Facts Use this word search puzzle to have students find subtraction facts.

Subtraction Expressions and Equations

## Math Clip Art--The Language of Math--Numbers and Equations 01

### Math Clip Art--The Language of Math--Numbers and Equations 01 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 02

### Math Clip Art--The Language of Math--Numbers and Equations 02 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 03

### Math Clip Art--The Language of Math--Numbers and Equations 03 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 04

### Math Clip Art--The Language of Math--Numbers and Equations 04 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 05

### Math Clip Art--The Language of Math--Numbers and Equations 05 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 06

### Math Clip Art--The Language of Math--Numbers and Equations 06 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 07

### Math Clip Art--The Language of Math--Numbers and Equations 07 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 08

### Math Clip Art--The Language of Math--Numbers and Equations 08 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 09

### Math Clip Art--The Language of Math--Numbers and Equations 09 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 10

### Math Clip Art--The Language of Math--Numbers and Equations 10 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 11

### Math Clip Art--The Language of Math--Numbers and Equations 11 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 12

### Math Clip Art--The Language of Math--Numbers and Equations 12 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 13

### Math Clip Art--The Language of Math--Numbers and Equations 13 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 14

### Math Clip Art--The Language of Math--Numbers and Equations 14 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions

## Math Clip Art--The Language of Math--Numbers and Equations 15

### Math Clip Art--The Language of Math--Numbers and Equations 15 This is part of a collection of math clip art images that show how to translate verbal expressions into numerical expressions or equations. Use them to reinforce the kind of translation skills needed with word problems.

Numerical Expressions