Number & Operations in Base Ten
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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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Rounding to the Nearest 100 Worksheet
Help your students find the correct bone for each dog by rounding to the nearest hundreds place with this math worksheet designed for 3rd and 4th-grade students.
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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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Multi-Digit Subtraction - Interactive Claw Machine
Review knowledge of 3-and-4-digit subtraction with an exciting interactive claw machine 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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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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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 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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Missing Addends Addition Worksheet
Build addition strategies with this worksheet where students need to identify the missing addend and matching subtraction equations.
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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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Rainbow Facts Zero-Tail Game
Use this fun two-digit addition strategy math game to reinforce the concept of "compatible numbers."
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Break Apart Strategy Worksheet
Practice using the break apart strategy when adding two-digit numbers with this worksheet.
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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.
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Number Talks - Double Digit Subtraction Task Cards
Encourage the use of mental math strategies with 2-digit subtraction number talks task cards.
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Subtraction Tarsia Worksheets- Math Puzzles
Print a set of 7 Tarsia puzzles to practice solving single-to-multi-digit subtraction problems.
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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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Compensation Strategy for Subtraction – Teaching Slides
Teach your students to use the compensation strategy for subtraction with an interactive teaching slide deck.
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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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Subtracting 2-Digit Numbers Task Cards
Practice 2-digit subtraction with this set of 18 task cards.
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Teaching the Subtraction Algorithm - Instructional Slides
Engage your students in mathematical problem solving with. a subtraction algorithm teaching presentation.
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Subtraction Bingo (Single and Double-Digit Numbers)
Practice subtracting single and double digit numbers with a fun Subtraction Bingo Game.
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Compatible Numbers for Subtraction – Slide Deck
Teach your students to use compatible numbers as a subtraction strategy with an interactive slide deck.
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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.