1.NBT.4 Task Cards: Adding within 100 Task Cards 1.NBT.4 Centers: Add within 100:

These 96 unique task cards are aligned with Common Core Standard 1.NBT.4: Adding within 100. Several types of questions help you assess your students' mastery of adding numbers within 100.

Task cards are great for a whole-class game, math centers/stations, fast finishers, extra practice, homework, scavenger hunt, quiz-quiz-trade, morning work, small groups, or review for test.

1.NBT.4. Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Each card is numbered for your convenience, and there is a student recording sheet and an answer key included. The cards also include the CCSS in the lower left-hand corner. All task cards are included in color and in black and white for your printing needs.

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Looking for more first-grade NBT task cards? Try these links:

ULTIMATE Bundle of Math Task Cards: ALL Standards Grades 1 - 5

-1st Grade Math Task Card Bundle for ALL Common Core Standards

--NBT Task Card Bundle

---1.NBT.1 - Counting to 120

---1.NBT.2 - Two-Digit Numbers

---1.NBT.3 - Comparing Two-Digit Numbers

---1.NBT.4 - Adding within 100

---1.NBT.5 & 1.NBT.6 - Adding and Subtracting Multiples of Ten

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Check out my other first-grade math resources:

1st Grade ULTIMATE Math Bundle

-Task Cards Mega Bundle

-Exit Slip Mega Bundle

-Worksheet Mega Bundle

-Quizzes Mega Bundle

-Tests Mega Bundle

Number and Operations in Base Ten Bundle

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-Exit Slips

-Worksheets

-Quizzes

-Tests

Operations and Algebraic Thinking Bundle

-Task Cards

-Exit Slips

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-Quizzes

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Measurement and Data Bundle

-Task Cards

-Exit Slips

-Worksheets

-Quizzes

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Geometry Bundle

-Task Cards

-Exit Slips

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-Quizzes

-Tests

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Check out my task cards, exit slips, worksheets, quizzes, tests, and more for other grade levels:

In Printable Format:

⭐⭐ Math ULTIMATE Bundle for Grades K-6, PDF Format ⭐⭐

Kindergarten Math ULTIMATE Bundle, PDF Format

1st Grade Math ULTIMATE Bundle, PDF Format

2nd Grade Math ULTIMATE Bundle, PDF Format

3rd Grade Math ULTIMATE Bundle, PDF Format

4th Grade Math ULTIMATE Bundle, PDF Format

5th Grade Math ULTIMATE Bundle, PDF Format

6th Grade Math ULTIMATE Bundle, PDF Format

In Google Classroom Format:

⭐⭐ Math ULTIMATE Bundle for Grades K-6, Google Classroom Format ⭐⭐

Kindergarten Math ULTIMATE Bundle, Google Classroom Format

1st Grade Math ULTIMATE Bundle, Google Classroom Format

2nd Grade Math ULTIMATE Bundle, Google Classroom Format

3rd Grade Math ULTIMATE Bundle, Google Classroom Format

4th Grade Math ULTIMATE Bundle, Google Classroom Format

5th Grade Math ULTIMATE Bundle, Google Classroom Format

6th Grade Math ULTIMATE Bundle, Google Classroom Format

In Printable + Google Classroom Formats:

⭐⭐ Math ULTIMATE Bundle for Grades K-6, PDF + Google Classroom Formats ⭐⭐

Kindergarten Math ULTIMATE Bundle, PDF + Google Classroom Formats

1st Grade Math ULTIMATE Bundle, PDF + Google Classroom Formats

2nd Grade Math ULTIMATE Bundle, PDF + Google Classroom Formats

3rd Grade Math ULTIMATE Bundle, PDF + Google Classroom Formats

4th Grade Math ULTIMATE Bundle, PDF + Google Classroom Formats

5th Grade Math ULTIMATE Bundle, PDF + Google Classroom Formats

6th Grade Math ULTIMATE Bundle, PDF + Google Classroom Formats

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Improve your students' addition fact fluency with my Addition Quizzes Bundle and my Addition Blast Off Computer Game.

Improve your students' subtraction fluency with my Subtraction Quizzes Bundle and my Subtraction Blast Off Computer Game.