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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2-Digit Subtraction Using Bar Models- Differentiated Worksheets
Review and assess your students’ subtraction skills with differentiated 2-digit subtraction worksheets focusing on the bar model strategy.
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Split Strategy for Subtraction – Interactive Teaching Slides
Demonstrate using the split strategy for subtraction with an instructional slide presentation.
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Subtraction using Place Value Disks - Worksheet
Subtract 3-digit numbers using place value disks with a printable 3rd-grade subtraction worksheet.
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Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
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Hundreds Chart Color By Number - Subtraction
Practice subtracting single and double-digit numbers with a set of subtraction color by number task cards.
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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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Addition and Subtraction Work Mat
Practice addition and subtraction concepts daily with a printable work mat for students.
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Subtraction Using Base 10 Blocks - Worksheet
Subtract two-digit numbers using base-10 blocks with a printable subtraction worksheet.
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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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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 Four 2-Digit Numbers Task Cards
Practice adding four 2-digit numbers together with this set of 16 task cards.
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Subtracting 2-Digit Numbers Worksheet
Practice 2-digit subtraction with regrouping with this drill and practice worksheet.
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Addition Strategies Worksheet
A worksheet to use when reviewing different addition strategies.
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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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Color By Number - Mental Math Practice
A set of 5 color by number sheets that can be used to practice mental math.
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Math Mazes - Two-digit Addition
Practice adding two-digit numbers with this set of differentiated math mazes.
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Grade 3 Daily Warm-Up – PowerPoint 4
Warm-up your students' brains with this 61-slide PowerPoint presentation containing a variety of quick activities.
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Grade 3 Daily Warm-Up – PowerPoint 1
A 68-slide PowerPoint presentation containing a variety of quick warm-up activities.
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Fact Family Find and Flip - Double-Digit Addition and Subtraction
Practice working with addition and subtraction fact families using double-digits with this math game.
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What's it Worth? - Money Activity (US Currency)
A game to play when learning how to add currency.
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3 Digit Subtraction With Regrouping Game Cards
Practice 3-Digit subtraction with regrouping strategies with a printable set of subtraction strategy task cards.
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Spooky Subtraction - 3rd Grade Halloween Math Game
Practice triple-digit subtraction with regrouping with an exciting 3rd Grade Halloween Math Game.
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2-Digit Subtraction Within 100 - Puzzles
Practice a variety of subtraction strategies with a set of printable math puzzles.
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Addition by Regrouping Classroom Poster
Learn the steps to addition with regrouping with this simple classroom poster.
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Break Apart Strategy Interactive PowerPoint
Learn all about the break apart strategy with this teaching PowerPoint.
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Addition Strategy Mats
Practice using a variety of addition strategies to add 2-digit numbers.
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Number Talks - Double Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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Adding within 1,000 Expanded Form Worksheet
Practice using the break apart strategy by working through this addition worksheet.
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Compensation Strategy Addition Mini Book
Use this mini-book to help your students learn how to use the compensation strategy to solve addition sums.
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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.
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Compensation Strategy Addition Interactive Activity
Practice using the addition compensation strategy with this fun interactive activity.
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Break Apart Strategy Addition Dominoes
Practice using the break apart strategy with this set of two-digit addition dominoes.