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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
In Round Numbers
Students explore the concept of rounding. In this rounding activity, students use their calculator to round three digit numbers to the nearest 10 or nearest 100. Students round fractional numbers to the nearest tenth,...
Curated OER
Number: Rounding Off and Approximating
Young mathematicians access a website that leads them through three activities that enable them to practice their rounding and estimation skills when it comes to numbers and math word problems. There is also a very good worksheet...
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Laboratory for Atmospheric and Space Physics
Where Are We Going?
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
Curated OER
Estimating the Cost of Shopping
In this math worksheet, students choose 20 items from a shopping list that includes the price of each food. Students estimate the cost of the list and then figure out the actual cost.
David Pleacher
Candy Math Fun
Few things can motivate children to learn like the promise of a sweet and tasty treat. Given a bag of M&M®s, Skittles®, or other colorful candy, students first predict the contents of the bag before counting the pieces,...
Curated OER
Mental Money
Learners access prior knowledge to round numbers and add decimals. In this mental math instructional activity, students share the book Betcha and calculate estimates for three jars based on the book. Learners calculate money answers...
Curated OER
Reciprocal Learning-Decimal Review
Learners use reciprocal learning to coach one another in review of their prior learning about decimals. In this peer reciprocal learning decimal review lesson, students participate in conversation, accountability, roles and...
Curated OER
Wings and Othe Things
Students work in groups that are engaged in different activities at different times. They watch the video "Madagascar" and collect data pertaining to the Fish Eagle's arm spam. They work together to perform mathematical computations...
Curated OER
What a Square
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
Curated OER
Let's Go Shopping with $500
Third graders use a worksheet to budget a five-hundred dollar shopping spree. They select goods to purchase, figure totals and then calculate discounts and sales tax. They compare results to determine who purchased the most for his or...
Curated OER
Marshmallows
Third graders estimate the volume and mass of one marshmallow using appropriate standard units. They design and carry out an investigation to find the average of volume/mass of one marshmallow.
Quia
Quia: Decimal and Whole Number Jeopardy
You can use this web site to compare and round numbers and to also practice rounding whole numbers and decimals. You can just play by yourself or with another player! See how many points you can get.
Alabama Learning Exchange
Alex: Are Your Numbers Round?
Students will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
Fun Brain
Fun Brain: Place Value Puzzler
An engaging and fast-paced game from FunBrain, where players activate their knowledge of place value and rounding. Numbers range in difficulty from easy to hard. However, for those who are up for a more serious challenge, there's also a...