Use place value understanding and properties of operations to perform multi-digit arithmetic
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Rounding With a Number Line Teaching Slides (Large Numbers)
Teach rounding with a number line using this set of teaching slides featuring numbers up the hundred thousands.
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Rounding Activity (Warm-Up Teaching Slides)
Use this digital rounding activity to review rounding numbers to the tens, hundreds, and thousands place.
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Rounding Large Numbers Game — Interactive Picture Reveal
Invite your students to play this rounding large numbers game to review rounding whole numbers up to the hundred thousands place.
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Rounding Whole Numbers Game — Create-Your-Own!
Share this create-your-own rounding whole numbers game with your students to give them practice rounding numbers up to the hundred thousands place.
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Rounding Anchor Chart — Rounding Roller Coaster!
Hang our rounding anchor chart in your classroom for a fun reminder of how to round numbers — roller coaster style!
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Rounding Poster and Worksheet Set (Rounding Rock)
Display this rounding poster of the “Rounding Rock” in your classroom to encourage your students to rock out rounding!
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Standard Algorithm Addition – Teaching Slides
Use these editable, interactive teaching slides to guide your students through standard algorithm addition with regrouping.
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Number Talks – Multiplication Strategies Task Cards
Help your students build number sense skills and sharpen their understanding of how to multiply 2 digits by 1 digit with this set of 24 task cards.
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Estimating Sums & Differences – 3rd Grade Math Mazes
Sharpen your students’ rounding and estimation skills with a set of 3rd grade math mazes.
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Estimating Sums & Differences Interactive Picture Reveal
Send your students on an intergalactic math adventure while practicing how to estimate sums and differences of whole numbers.
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Estimation Worksheets (Addition and Subtraction)
Teach your students how to use their rounding skills to estimate sums and differences with this math worksheet.
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Estimation With Addition and Subtraction Task Cards
Supercharge your students’ math skills with this set of task cards designed to help them master estimating sums and differences of whole numbers using rounding and compatible numbers.
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Spooky 3-Digit Subtraction - Maze Game
Practice three-digit subtraction with regrouping skills with printable Halloween Subtraction Maze worksheets.
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Rounding to 10, 100, and 1,000 Worksheet - Halloween Color-By-Number
Round each number to the place of the underlined digit with a fun Halloween color-by-number worksheet.
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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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Estimating Sums and Differences by Rounding and Compatible Numbers – Worksheet Set
Supercharge your students’ math skills with our estimation worksheets! Download now to master the art of rounding and using compatible numbers for lightning-fast calculations.
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Estimating Sums and Differences Interactive Activity
Download our interactive Google Slides activity designed to sharpen your students’ understanding of estimating sums and differences with rounding and compatible numbers.
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Estimating Sums and Differences Matching Activity and Extension Task
Guide your students to estimate addition and subtraction sentences by rounding and compatible numbers with this matching activity.
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Estimating Sums and Differences Differentiated Worksheets
Teach your students how to round and use compatible numbers to estimate sums and differences with this set of differentiated worksheets.
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Rounding Rainbow – Classroom Poster and Differentiated Worksheet Pack
Download this set of differentiated rounding worksheets and accompanying poster for your math classroom.
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Owls Round, TOO Matching Game
Practice rounding through to the nearest hundred thousands place with our set of 36 whole number rounding match-up cards.
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Halloween 3-Digit Subtraction Worksheet
Bring a bit of spooky season into your classroom with a printable Halloween Subtraction worksheet.
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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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Compensation Strategy for Addition Interactive Slide Deck
Teach your students to use the compensation strategy for addition with an interactive teaching slide deck.
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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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Addition Strategy Spin Game
Have some fun all while practicing different addition strategies with this fun classroom game.
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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.
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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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Rainbow Facts Zero-Tail Game
Use this fun two-digit addition strategy math game to reinforce the concept of "compatible numbers."