CCSS.MATH.CONTENT.3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
- Plus Plan
Subtracting 2-Digit Numbers Worksheet
Practice 2-digit subtraction with regrouping with this drill and practice worksheet.
- Plus Plan
Linking Addition and Subtraction Worksheet
Help students discover the link between addition and subtraction through structured, student‑friendly worksheets.
- Plus Plan
Missing Addend Picture Puzzle – Level 2
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
- Plus Plan
Hundreds Chart Mystery Picture - Addition Task Cards
Practice adding single and double-digit numbers in your classroom with this set of 32 picture reveal task cards.
- Plus Plan
Standard Algorithm Addition – Teaching Slides
Use these editable, interactive teaching slides to guide your students through standard algorithm addition with regrouping.
- Plus Plan
Dominate the Dragon – Mental Math Worksheets
Capture your students' interest in math drills for all four operations with these fun dragon-themed differentiated math worksheets.
- Plus Plan
2-Digit Subtraction Within 100 - Puzzles
Practice a variety of subtraction strategies with a set of printable math puzzles.
- Plus Plan
Addition by Regrouping Classroom Poster
Learn the steps to addition with regrouping with this simple classroom poster.
- Plus Plan
Compensation Strategy for Addition Interactive Slide Deck
Teach your students to use the compensation strategy for addition with an interactive teaching slide deck.
- Plus Plan
Break Apart Strategy Interactive PowerPoint
Learn all about the break apart strategy with this teaching PowerPoint.
- Plus Plan
Addition Strategy Mats
Practice using a variety of addition strategies to add 2-digit numbers.
- Plus Plan
Addition Strategy Spin Game
Have some fun all while practicing different addition strategies with this fun classroom game.
- Plus Plan
Double-Digit Addition Strategies Posters
Remind your students to use different addition strategies with a set of printable two-digit addition strategies.
- Plus Plan
Adding within 1,000 Mystery Image Reveal Worksheet
Practice using the strip diagram to add within 1,000 with this fun mystery picture reveal activity.
- Plus Plan
Missing Addends Addition Worksheet
Build addition strategies with this worksheet where students need to identify the missing addend and matching subtraction equations.
- Plus Plan
Break Apart Strategy Addition Worksheet Pack
Practice using the break apart strategy with this worksheet set.
- Plus Plan
Rainbow Facts Zero-Tail Game
Use this fun two-digit addition strategy math game to reinforce the concept of "compatible numbers."
- Plus Plan
Adding within 1,000 Strip Diagram Match Up Activity
Practice using the strip diagram to add numbers within 1,000 with this match up activity.
- Plus Plan
Blast Off Addition Strategy Interactive Activity
Practice four different addition strategies in this fun space-themed interactive activity.
- Plus Plan
Adding within 1000 Addition Strategy Task Cards
Practice using a number of addition strategies to add numbers within 1000 with this set of task cards.
- Plus Plan
Compensation Strategy Addition Interactive Activity
Practice using the addition compensation strategy with this fun interactive activity.
- Plus Plan
Break Apart Strategy Addition Dominoes
Practice using the break apart strategy with this set of two-digit addition dominoes.
- Plus Plan
Subtraction Tarsia Worksheets- Math Puzzles
Print a set of 7 Tarsia puzzles to practice solving single-to-multi-digit subtraction problems.
- Plus Plan
Compensation Strategy for Subtraction – Teaching Slides
Teach your students to use the compensation strategy for subtraction with an interactive teaching slide deck.
- Plus Plan
Subtraction Using the Bar Model - Worksheet
Review and assess your students’ subtraction skills with a 3-digit subtraction worksheet focusing on the bar model strategy.
- Plus Plan
Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
- Plus Plan
Subtracting 2-Digit Numbers Task Cards
Practice 2-digit subtraction with this set of 18 task cards.
- Plus Plan
3-Digit Subtraction Using Place Value Disks — Interactive Slides
Practice subtracting multiples of 100 using place value disks with an interactive drag-and-drop activity.
- Plus Plan
Subtraction Methods - Printable Mini-Book
Teach and practice various subtraction strategies with a printable 3-digit subtraction mini book.
- Plus Plan
Mental Math – Subtraction Flashcards
Build up your students' mental math skills with a set of 36 subtraction flashcards using one- and two-digit numbers.
- Plus Plan
3 Digit Subtraction with Regrouping - Strategy Task Cards
Practice 3-digit subtraction strategies with a set of 24 subtraction task cards.
- Plus Plan
Addition and Subtraction Work Mat
Practice addition and subtraction concepts daily with a printable work mat for students.