Curated OER
Rounding Off and Approximation
In this rounding worksheet, students round numbers to the given place value. They draw models of each given situations. This one-page worksheet contains 8 problems.
Curated OER
Math Review
In this math skills review worksheet, learners solve 45 problems pertaining to inequalities, positive and negative integers, Roman numerals and coordinate pairs. This page is intended as an online activity, but may be completed on paper.
Curated OER
Goldentail's Rounding Railroad
In this number puzzle activity, students solve 24 equations in each of two sets of multiplication and division problems. They circle each answer and round them to the nearest whole number. They use the secret code that is shown in a box...
Curated OER
Estimating
A good estimator usually has a good number sense. Make good estimators out of your class with this fun estimation activity. They review words that express estimation, estimate the number of three different sets, and then estimate the...
Curated OER
Measure Mania
Groups of learners rotate through five classroom stations to estimate, measure, and record volume, length, weight, mass, and area using both customary and metric measure. They evaluate their data to determine how close their estimates...
CK-12 Foundation
Add and Subtract Decimals with Front-End Estimation: Wooden Beams
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Curated OER
Read and Write Whole Numbers
This math presentation helps youngesters with reading and writing whole numbers, as well as becoming more familiar with mathematical language. They practice reading and writing large numbers, and review words such as "estimation,"...
Curated OER
Nonstandard Units, Homework 17.1
Here is a very good estimating and measuring length with nonstandard units worksheet. Learners use paper clips and toothpicks to estimate and measure the real objects pictured in each problem, then write ten answers.
Curated OER
Measures Combined
Use this resource to teach perimeter of regular plane shapes, measurement, rounding, and systematic problem solving skills. There are 78 complete slides and two game suggestions intended to facilitate content understanding.
Charleston School District
Evaluation of Roots
You mean the square root of five and five don't have the same value? Learners estimate the value of irrational roots. As they practice estimating the value, they increase their understanding of roots. The lesson is the fourth in a series...
Charleston School District
Comparing and Ordering Irrational Numbers on a Number Line
Estimating the value of numbers is much harder than it sounds! Scholars compare and order the value of numbers presented in different forms including fractions, decimals, roots, integers, and pi. This builds on the previous lessons in...
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 4
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
Curated OER
Mystery Jars
Youngsters discover ways to estimate. They will use two jars with large and small items and estimate the number of items. Then record their estimate and explain why they answered the way they did. They try this experiment with different...
Curated OER
Probability Games and Activities, Unit 10
Looking for tangible ways to practice probability with your class? Through 4 activities, learners practice with experimental probability, using math to make educated guesses, then testing it through physically completing the experiment....
Curated OER
Subtracting Fractions - Unequal Denominators
Subtracting fractions that have unequal denominators is a tricky process. The lesson utilizes fraction bars as a manipulative, in order to understand subtracting fractions and estimating differences. After completing three activities in...
Curated OER
Rounding Decimals to Whole Numbers (J)
In this rounding practice worksheet, learners sharpen their math skills as they round 60 four-digit decimal numbers to the nearest whole numbers.
Curated OER
Rounding to the Nearest 1000
In this rounding worksheet, students round sets of numbers to the nearest 1000. An answer key and reference website for additional resources are given.
Curated OER
Rounding to the Nearest 10
In this rounding learning exercise, students round a set of 40 numbers to the nearest 10. An answer key and a website reference for additional resources are given.
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
Math Flash Rounding
This PowerPoint reinforces the concept of rounding. Each slide of the PowerPoint contains examples of how to round to the nearest thousand or ten thousand. There are various examples that the students must complete on the final few slides.
Curated OER
Estimating Numbers on a Number Line From 0 to 10
For this estimating numbers on a number line worksheet, students estimate the 8 whole numbers that the arrows are pointing to on 4 number lines.
Curated OER
Rounding: Round to Nearest Ten Thousand
In this rounding worksheet, students solve 8 problems in which they round five digit numbers to the ten thousands place. There is a place value chart at the top of the page.
Curated OER
Estimating Prices
Students practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Students practice using metal computations to arrive at estimates.
Curated OER
Around and Around We Go: Rounding Activity
In this rounding worksheet, students put a check mark in the appropriate place to tell whether numbers have been rounded correctly, then complete 2 additional problems.
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