CCSS.MATH.CONTENT.4.OA.A.3
Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
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Plan a Halloween Party – Estimation Project
Plan your own Halloween party and practice estimating sums, differences and products of whole numbers and decimals with an engaging math project!
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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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Roll to Create a Strip Diagram
A roll to create template for students to use when learning to use strip diagrams.
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CUBES Bulletin Board and Bookmark Set
Tackle word problems with this CUBES problem-solving bulletin board and bookmark set.
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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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Strip Diagram (Bar Model) Poster Pack
Help your students solve problems using the four operations with a pack of printable strip diagram anchor charts.
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Mental Math Multiplication Posters
Use this set of multiplication posters in your classroom when teaching different mental math strategies.
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Strategies for Subtraction - Anchor Charts
Remind your students of the many subtraction strategies with a printable subtraction anchor chart display.
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Estimation With Multiplication (Whole Numbers) Task Cards
Supercharge your students’ math skills! Download our set of fun task cards to practice estimating products of whole numbers.
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Emoji Equation Riddles - Determine the Unknown
Build problem-solving and critical thinking skills with printable Emoji Math Riddle task cards.
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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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Rounding Task Cards - Numbers to 100,000
Use place value knowledge and reasoning skills to round numbers up through the hundred thousands place with a set of 24 task cards.
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Rounding Numbers on Vertical Number Lines - Matching Activity
Practice rounding to the nearest ten and hundred on a vertical number line with this set of 36 match-up cards.
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Rounding Numbers Review - Task Cards
Use place value knowledge and reasoning skills to round numbers up through the thousands place with a set of 24 task cards.
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Rounding Anchor Charts - Using a Vertical Number Line
Display how to round numbers to different places using a vertical number line with a set of posters.
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Mental Math Division Posters
Use this set of division posters in your classroom when teaching different mental math strategies.
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Operations of Four Math Machine Worksheet
A worksheet to use when practicing addition, subtraction, multiplication, and division.
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Math Problem Solving Brainteasers – Grades 3-5
A set of 10 fun problem solving brainteasers for your students.
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Math Brainteaser Task Cards - Grades 3-5 (Version 2)
A set of 10 fun, problem-solving brainteasers for your students.
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Mathematics Vocabulary Posters
A teaching resource to help students identify the associated vocabulary for mathematical operations.