Curated OER
Rounding Decimals to Hundredths (A)
In this math worksheet, students answer 60 rounding problems. All given numbers have 4 decimal places and are rounded to the nearest hundredth.
Curated OER
Estimating Large Numbers
Learners experience large numbers by estimating the number of grass blades in a field. They work in small groups to determine numbers of blades of grass in a small area of a field and apply that to determining the total number of blades...
Curated OER
Rounding to Place Value
In this rounding activity, students round 24 numbers to the nearest tens, hundreds, thousands, or ten-thousands place. The numbers range from 2- to 5-digits.
Curated OER
Rounding Up or Down?
In this rounding activity, students fill in columns, rounding given numbers both up and down; the correct answer is given in a 3rd column. A reference web site is given for additional activities.
Curated OER
Estimating Sums and Differences
In this estimation worksheet, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the worksheet.
Teacher Created Materials
Estimating Quotients
In this math worksheet, students learn to estimate a quotient to see if an answer is reasonable. They complete the long division to get an exact answer in 18 problems. Detailed directions are also given on how to check a division...
Alabama Learning Exchange
Miss Integer Finds Her Properties in Order
Access prior knowledge to practice concepts like order of operations and exponents. Your class can play this game as a daily review or as a warm-up activity when needed. They work in groups of four to complete and correct review problems.
Illustrative Mathematics
Hand Span Measures
How long is your hand span? Young mathematicians measure their hand span from pinky tip to thumb tip using a centimeter ruler. After rounding to the nearest whole centimeter, learners plot their data on a line plot.
CK-12 Foundation
Problem Solving Plan, Estimation with Decimals: Shopping
Mathematicians go on a virtual shopping trip in an interactive designed to boost the concept of estimation. Scholars read and answer five questions—multiple-choice, true or false, and a discussion—with help from a drag-and-drop shopping...
Math Doctor
Chapter 5: Decimal Notation
Explore all things decimal in this thorough series of introduction activities. Including scripting for the teacher and detailed descriptions and examples, the plan begins by reviewing the basics of place value and writing fractions as...
Kuta Software
Proportion Word Problems
In this proportion word problem activity, students read real-life problems and solve proportions. This four-page activity contains 18 problems. Answers are provided on the last page.
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some...
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
US Department of Commerce
The Place of My State
State the population of the state. Pupils research census data on the total population, the number of children their age, and the number of children of the same age and gender in their states. They write these numbers in standard,...
Education Development Center
Micro-Geography of the Number Line
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes...
Curated OER
Everyday Mathematics: Ballpark Estimates
In this estimating practice worksheet, students sharpen their math skills as they learn how to make likely estimates and try the 2 extra practice activities.
Curated OER
Estimating 0-10
In this estimating worksheet, students estimate the whole numbers that arrows on a number line are pointing to, 0-10. A website reference for additional activities is given.
Curated OER
Estimating Quotients
In this estimating quotients worksheet, students solve 20 different problems that include estimating a variety of quotients in each. They divide each whole number and then estimate the answer in each problem to the nearest whole number.
Curated OER
Estimation Using Goldfish Crackers: Math
Second graders explore estimation and rounding concepts using goldfish crackers and a song! They solve problems by estimating and rounding numbers and pick numbers within reason to represent certain objects.
Curated OER
Round to the Nearest Thousand
In this rounding worksheet, students examine 9 different numbers, write the 2 numbers each number falls between and then round each number to the nearest thousand. Next, students solve 15 fill in the blank problems where they round...
Curated OER
Rounding Up Numbers
In this rounding worksheet, students round a set of 40 numbers to the nearest 100. An answer key is included. A website reference is given for additional resources.
Noyce Foundation
Cat Food
Determine the right mix of cans of cat food. The resource consists of an assessment task to determine the cost to feed two cats for a specific number of days and requires scholars to interpret remainders within a context....
Google
Surveys and Estimating Large Quantities
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
EngageNY
Margin of Error When Estimating a Population Proportion (part 1)
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...