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Scholastic
Study Jams! Rounding Decimals
Jeans length is a hot topic for preteens, and in this lesson, Mia helps us figure out how to round the length of various pairs so that Zoe can get some as close to 32.45 inches as possible. She uses a number line or ruler to prove the...
T. Smith Publishing
Rounding Decimals Series of Worksheets
Pupils complete five worksheets that help them round decimal numbers. They complete several types of rounding activities, and solve 82 problems.
Shodor Education Foundation
Estimating With Fire
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
Curated OER
Rounding and Significant Digits
Practice rounding numbers to a certain decimal by solving in-class problems. Learners will solve several multiplication, division, addition, and subtraction problems while rounding to a specific decimal. They will also check their work...
Curriculum Corner
Rounding Numbers – 10s
Thirty-two flash cards and a 14-problem worksheet pair together to reinforce the concept of rounding to the nearest ten.
CK-12 Foundation
Large Decimal Rounding to Decimal Representations: Weighing a Whale
An interactive challenges mathematicians to round large numbers with help from a large scale that measures the weight of a blue whale. The practie's five questions include multiple-choice, fill-in-the-blank, true or false, and an open...
Illustrative Mathematics
Two Wheels and a Belt
Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...
Curated OER
Rounding Whole Numbers
In this rounding whole numbers worksheet, learners answer five place value questions and round seven numbers to the nearest 10, 100 and 1000.
Curated OER
Rounding up or Rounding down
Teach the class how to estimate by rounding to the nearest 10. They review the rules for rounding, try rounding a few numbers using a number line, then round on their own. This is a good introduction that explains how to round and why we...
Curated OER
Rounding Quiz
Pupils round 40 numbers to the place value indicated in parenthesis. Each number is a decimal and everyone must round to the whole number, tenths, hundredths, and thousandths.
Curated OER
Rounding Decimals
Challenge your fifth graders with a worksheet on rounding decimals. Each section provides three columns of decimals and a space for pupils to round them to the nearest tenth. This makes a nice homework assignment, or a timed in-class test.
Curated OER
Rounding Whole Numbers
Can your fourth graders round to the nearest 10? What about the nearest 100, or 10,000? A thorough resource helps them practice rounding numbers of varying size. Four sets of problems prompt students to round to specified place values,...
PBS
Estimating Profit from a Job
Profit always seems to get everyone's attention. The same is true during a lesson on estimation. Learners use given information to estimate the cost of supplies for a painting job. They then develop a strategy for estimating the...
Curated OER
Rounding Decimals
Fourth graders engage in a activity that is about the concept of rounding decimals. They review place value and focus it upon the practice of rounding. Students use 10 base decimal grids or models to help make connections with the skill.
Curated OER
Rounding Money
Simplify money math with these 27 rounding practice problems, split into three sections. For the first part, scholars round nine money amounts to the nearest dollar. The next second has them round to the nearest 10 dollars, and finally...
Illustrative Mathematics
Rounding to 50 or 500
In a six-problem learning activity, children are guided to solve word problems that involve rounding to the nearest ten and nearest hundred. A commentary and answer key provide different approaches that learners may take in solving the...
Curated OER
Rounding Numbers
Rounding numbers is an important mathematical skill. Here is a activity that gives learners ample practice. They must round sets of numbers to the nearest 10, 100, and 1,000. There are 60 numbers that must be rounded. This would be an...
Curated OER
Rounding to the Nearest Whole Number
Bring money and measurement together by practicing rounding decimals to the nearest whole number. Three sections prompt fourth graders to round to the nearest dollar, the nearest meter, and the nearest whole unit. Use this activity as an...
Curated OER
Study Buddies: Rounding Whole Numbers
Third and fourth graders work with a coach to round whole numbers to the nearest 100, 1000, and 10,0000. They follow a step-by-step process and notes are provided for the coach.
Curated OER
Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Curated OER
Rounding Mixed Numbers
Is your class having trouble with mixed numbers and rounding to the nearest whole number? Use this instructional activity in your fractions unit to help struggling math students with this tricky skill. An example demonstrates how to...
Curated OER
Rounding Decimals, from Hundredths Place to Whole Numbers
An efficient and straightforward decimals learning exercise! Young learners round amounts of money and measurements to the nearest dollar or meter. Each section contains 20 problems, making it easy to divide up this asignment into...
Curated OER
Rounding and Subtracting
Common Core is all about getting your learners to open their minds and think about the why and how. This problem has them thinking about unknown numbers and their relationship with one another when we round and...
Curated OER
Rounding Numbers
Help your youngesters practice in rounding numbers with decimals with this presentation. Each of the slides has a word problem that learners solve. Then, they consider each of the answers and decide if they should round up or down to the...