Common Core State Standards

# Standards for Mathematical Practice

In Grade 2, instructional time should focus on four critical areas: (1) extending understanding of base-ten notation; (2) building fluency with addition and subtraction; (3) using standard units of measure; and (4) describing and analyzing shapes.

32 of 472 teaching resources for those 'aha' moments

### Expanded Form Worksheet

Practice using expanded form up to the thousands place with this 1-page worksheet.

2 pages Grades: 2 - 3

### Missing Addend Picture Puzzle – Level 3

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

3 pages Grades: 2 - 3

### Subtracting 2-Digit Numbers Task Cards

Practice 2-digit subtraction with this set of 18 task cards.

5 pages Grades: 2 - 3

### Whole Numbers on a Number Line Worksheet

Practice finding the missing number on number lines.

4 pages Grades: 1 - 2

### 100 More , 100 Less Match-Up - Three-Digit Numbers

Match 3-digit number cards to find pairs that are 100 more or 100 less of each other.

13 pages Grades: 2 - 3
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Practice adding 2-digit numbers with this set of 18 number sentence task cards.

### What's Missing? - 100 More, 100 Less Task Cards

Find numbers 100 more or 100 less than a given number up to 4 digits with this set of 20 task cards.

7 pages Grades: 2 - 3
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Practice multiplication with arrays using this set of 20 task cards in a variety of ways.

### 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
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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

### Coin Value Match-Up

Practice finding the value of like coins with 38 matching cards.

10 pages Grades: 1 - 2

### Addition to 10 Modeling Mats

Familiarize students with adding single-digit numbers using this set of practice mats.

4 pages Grades: K - 2

### 2-digit + 1-digit Task Cards

Practice adding 2-digit and 1-digit numbers with this set of 18 number sentence task cards.

5 pages Grades: 1 - 2

### Number Line Match-Up Activity (Up to 120)

Match two-digit whole numbers on a number line with this set of 32 task cards.

9 pages Grades: 1 - 2

### Valentine's Day Hundreds Chart Mystery Pictures

Follow the color-coded number guides to fill in the hundreds chart square and reveal 9 special Valentine’s Day images.

10 pages Grades: K - 2
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Practice adding 2-digit and 1-digit numbers with this set of 16 word problem task cards.

6 pages Grades: 1 - 2

### 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

### What's Missing? - Ten More, Ten Less Task Cards

Find numbers ten more or ten less than a given two- or three-digit number with this set of 20 task cards.

7 pages Grades: 1 - 2

### Cover Up! - Addition Facts Game

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

1 page Grades: 1 - 2

### Missing Addend Picture Puzzle – Level 2

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

3 pages Grades: 2 - 3

### 2-Digit + 1-Digit Numbers Addition Worksheet

Practice addition involving 2- and 1-digit numbers with this drill and practice worksheet.

2 pages Grades: 1 - 2

### Coin Value Match-Up Game

Practice identifying the value of coins and adding them together with this set of 36 match-up cards.

9 pages Grades: 2 - 3

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

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

### Whole Numbers on a Number Line - Task Cards

Identify the missing whole numbers on a number line with this set of 16 task cards.

6 pages Grades: 2 - 3

### Subtraction Strategies Using Addition Worksheet

Use addition to solve subtraction problems with this worksheet.

2 pages Grades: 1 - 2

### Subtracting 2-Digit Numbers Worksheet

Practice 2-digit subtraction with regrouping with this drill and practice worksheet.

2 pages Grades: 2 - 3

### Ten More, Ten Less Match-Up - Two-Digit Numbers

Identify ten more or ten less of a given 2-digit number with this set of 36 match up cards

13 pages Grades: 1 - 2

### Search and Find – Valentine's Day

Engage your students’ counting skills with our search and find Valentine's Day activity.

1 page Grades: PK - 2

### Cover Up! - Multiplication Facts Game

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

1 page Grades: 2 - 4
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Practice adding four 2-digit numbers together with this set of 16 task cards.

7 pages Grades: 2 - 3