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.
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Subtraction Game - 2-Digit Subtraction Dominoes
Use this printable set of double-digit subtraction dominoes to practice a variety of subtraction strategies.
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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.
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Mental Math – Subtraction Flashcards
Build up your students' mental math skills with a set of 36 subtraction flashcards using one- and two-digit numbers.
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3 Digit Subtraction with Regrouping - Strategy Task Cards
Practice 3-digit subtraction strategies with a set of 24 subtraction task cards.
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Addition and Subtraction Work Mat
Practice addition and subtraction concepts daily with a printable work mat for students.
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3-Digit Addition and Subtraction with Regrouping - Posters
Break down the steps to use regrouping to find a solution with an addition and a subtraction poster.
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Trade It! Subtraction with Regrouping Game
Play a fun, hands-on board game in groups when learning to solve subtraction equations that require regrouping.
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Addition on a Number Line - Jump Strategy Slide Deck
Teach your students to add two-digit numbers using the jump strategy with an instructional teaching presentation.
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Egg-citing Math Scavenger Hunt: Crack the Code with Whole Number Operations
Solve number sentences and determine the codewords with this differentiated math scavenger hunt.
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Jump Strategy for Subtraction – Interactive Teaching Slides
Teach your students to subtract two-digit numbers using the jump strategy with an instructional teaching presentation.
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Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
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Save Santa's Workshop – Escape Room for Kids
A fun and festive escape room activity where students solve clues to save Santa's Workshop.
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Holiday Code Cracker: Middle Years – Whole Class Holiday Game
A whole class, holiday-themed game where students work together to find a secret code.
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The Escape From Millbrook Manor – Halloween Escape Room
Practice computation skills by solving puzzles with this differentiated Halloween escape room game.
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Mixed Operations Minute Math Booklet (Lower-Level Version)
Jump into your math lessons with this ten-page mental math booklet covering the four operations and number patterns.
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School Supply Shopping - Upper Grades
Calculate the cost of school supplies and answer questions with this back-to-school math activity.
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Mixed Operations Minute Math Booklet (Higher-Level Version)
Incorporate this mental math drills booklet into your math lesson warm-up (or assessment) routine.
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Adding 2-Digit Numbers Task Cards
Practice adding 2-digit numbers with this set of 18 number sentence task cards.
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100 More , 100 Less Matching Game (Three-Digit Numbers)
Match 3-digit number cards to find pairs that are 100 more or 100 less of each other.
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Making Ten Teaching Slide Deck
A 14-slide PowerPoint that uses engaging animations to walk students through the 'making ten' addition strategy.
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Find Your Detective Call Sign Worksheet
An addition worksheet students use to find their own special detective call sign.
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Active Learning Guide for Grades 2-3 - Week 1
Use this weekly active learning guide to celebrate National Physical Fitness Month in your Grade 2 or Grade 3 classroom.
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Number Talks - Three-Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Building Numbers Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Making Numbers Task Cards
Build number sense skills with this set of 20 task cards.
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Math Mazes - Addition and Subtraction
A set of puzzling mazes that require addition and subtraction skills to solve.
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Grade 3 Daily Warm-Up – PowerPoint 2
A 64-slide PowerPoint presentation containing a variety of quick warm-up activities.
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Subtraction Dog – Worksheet
Practice subtraction facts with this set of differentiated worksheets.
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Addition Worm – Worksheet
A set of differentiated addition worksheets.
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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.
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Missing Addend Picture Puzzle – Level 3
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
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Missing Addend Picture Puzzle – Level 2
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.