Common Core State Standards

# Operations & Algebraic Thinking

32 of 146 teaching resources for those 'aha' moments
• #### teaching resource

A PowerPoint for students to interact with when practicing addition facts.

6 pages Grades: 1 - 2

### Equal Groups - Spinner Activity

A hands-on activity to practice making equal groups to represent multiplication.

3 pages Grades: 2 - 3

### Decorate a Pumpkin - Halloween Game

Practice finding sums up to 12 with this fun Halloween pumpkin game!

2 pages Grades: 1 - 3

### Math Mazes – Making Ten

A set of mazes where students find missing addends to solve the maze.

6 pages Grades: 1 - 2

### Equal Groups - Hands-On Activity

A hands-on activity to practice making equal groups to represent multiplication.

6 pages Grades: 2 - 3
• #### teaching resource

Practice adding 2-digit and 1-digit numbers with this set of 16 word problem task cards.

6 pages Grades: 1 - 2

### Friends of 20 – Addition Match-up Activity

A set of 40 matching cards to explore the number combinations of 20.

11 pages Grades: 1 - 2

### Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet

Practice the “near doubles” addition strategy to solve addition problems to 20.

### Array Beanbag Toss

A fun, whole-class active game to play when learning about arrays.

17 pages Grades: 2 - 3

### Ten is a Match! - Memory-Style Game

Practice matching two numbers that add up to 10 with this set of 24 number cards.

9 pages Grades: K - 2

### Color by Number – Repeated Addition and Multiplication

An engaging activity for students to connect repeated addition with multiplication.

2 pages Grades: 2 - 3

### Array Matchup Puzzles

A set of 10 puzzles for students to practice representing multiplication using arrays.

10 pages Grades: 2 - 3

### Subtraction Strategies Using Addition Worksheet

Use addition to solve subtraction problems with this worksheet.

2 pages Grades: 1 - 2
• #### teaching resource

A set of 15 match-up cards to scaffold work with addition word problems.

8 pages Grades: 2 - 3
• #### teaching resource

Practice multiplication with arrays using this set of 20 task cards in a variety of ways.

### The Mathematical Easter Egg Hunt

A differentiated Easter egg hunt activity for mathematics.

11 pages Grades: 2 - 5

### Missing Addend Picture Puzzle – Level 1

Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.

3 pages Grades: 1 - 2

### Addition and Subtraction Work Mat

A work mat for students to use when working on addition and subtraction concepts.

1 page Grades: 1 - 3

### Cover Up! - Addition Facts Game

Develop a love of addition facts with this multiplayer Valentine’s Day board game.

1 page Grades: 1 - 2

### Multiplication Foldout Activity

A fun way for students to practice representing multiplication in a variety of ways

2 pages Grades: 2 - 3

### Fact Family Find and Flip - Addition and Subtraction Up to 20

Addition and subtraction game cards demonstrating the relationship between fact families.

1 page Grades: 1 - 2

### Group It Many Ways - Hands-On Activity

A hands-on activity to practice making equal groups to represent multiplication.

2 pages Grades: 2 - 3

### Multi-Step Problem Solving Worksheet

Solve a multi-step problem and explain the mathematical reasoning behind the process with this simple worksheet.

2 pages Grades: 2 - 3

### Array Card Kaboom!

A fun and engaging card game that focuses on using arrays to represent multiplication.

4 pages Grades: 2 - 3

### Making Ten Cut and Paste Worksheet

A cut and paste worksheet to practice finding the missing addend when making ten.

3 pages Grades: K - 2
• #### teaching resource

A set of differentiated addition worksheets.

6 pages Grades: 1 - 3

### Arrays Bingo

A set of 16 bingo cards to use when learning about arrays.

18 pages Grades: 2 - 3

### Odd and Even Numbers Sorting Activity

Identify and sort 2- and 3-digit numbers into odd and even categories.

### Cover Up! - Multiplication Facts Game

Develop a love of multiplication facts with this multiplayer Valentine’s Day board game.

1 page Grades: 2 - 4
• #### teaching resource

Practice solving 1- and 2-step word problems by adding and subtracting 2-digit numbers with this set of 16 task cards.

6 pages Grades: 2 - 3

### Subtraction Dog – Worksheet

A set of superb subtraction dog worksheets.

6 pages Grades: 1 - 3

### I Have, Who Has? – Multiplication Representations

A whole-class game to reinforce your students’ understanding of the different representations of multiplication.

11 pages Grades: 2 - 3