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Curated OER
Estimating with Whole Numbers
In this estimation activity, 6th graders take a quiz estimating 13 problems with whole numbers. Students utilize the concepts of addition, subtraction, multiplication and division. Students answer 4 questions regarding a word problem...
Curated OER
Study Buddies: Estimating Quotients
In this math worksheet, students will work with a coach to solve a division problems by estimating quotients. Students will follow a step-by-step process and notes are provided for the coach.
Math Mammoth
Mental Math in Percent Problems
For this math worksheet, students are given 21 percentage problems which they are to work out mentally. There are story problems, tables and simple conversion.
Curated OER
Estimating Units of Length Word Problems
Which unit of measurement would you use? As your scholars begin to understand measuring, it's important they become familiar with the various units. They examine five object images and match them to one of five units: meters,...
Curated OER
Number Sense and Operations
In this number sense and operations worksheet, 5th graders solve 17 different types of problems that include estimation and determining the exact answer of an equation. First, they determine the sum of two numbers closest to one listed....
Curated OER
Approximate Answers By Rounding (pg. 1)
In this rounding number worksheet, students pick the best approximation using rounding for 4 equations, work out approximate answers for the sums by rounding to the nearest thousand in 5 problems and answer 3 place value rounding word...
Curated OER
Estimation in Multiplication
In this math worksheet, students multiply single digit numbers by two and three digit numbers. Students estimate by rounding the largest number to its leading digit. Students complete two word problems that illustrate applications of...
Curated OER
Estimating Products
In this estimating products activity, students practice their large number multiplication skills as well as their rounding abilities. They are also challenged with word problems and a table.
Curated OER
Estimating
In this estimating worksheet, students review how to estimate and round numbers. Students then estimate the three number addition problems by rounding the numbers to the nearest hundred. Students then find the exact answer. Students...
Curated OER
Estimating Decimals
In this estimation activity, students learn to estimate with decimal numbers by using rounding or compatible numbers. There are 10 problems.
Curated OER
Estimation: Compatible Numbers
In this estimation worksheet, students read real word problems and mentally estimate answers. Individually, they complete eight multiple choice problems using compatible numbers or rounding to determine their answers. Students evaluate...
Curated OER
Estimation 2: Sum and Difference
For this estimation worksheet, learners mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...
Curated OER
Rounding Up To Three Decimal Places
In this decimal rounding instructional activity, students round up in 52 problems. They round up using the numbers that have three decimals places.
Curated OER
Estimating For Reasonable Answers
In this estimating for reasonable answers instructional activity, students interactively answer 10 multiple choice questions about estimation, then click to check their answers.
Curated OER
Estimation
In this estimation instructional activity, students analyze a table with the diameter of four coins in fractional inches. Students solve 5 multiple choice problems in which estimating is used with fractions.
Curated OER
Rounding
In this rounding learning exercise, students solve 40 problems in which whole numbers are rounded to the nearest 10. 100 or 1000. Students also round to the nearest dollar.
Curated OER
Further Rounding
In this rounding off worksheet, students determine if 8 statements could be rounded off to the nearest ten, hundred, thousand, ten thousand, hundred thousand or million. Students draw and complete a table of 5 numbers, rounding the...
Curated OER
Addition, Subtraction and Estimating
In this addition, subtraction and estimating learning exercise, students answer 13 questions pertaining to addition, subtraction, estimating and even/odd or 2/3-digit numbers. They can click on the Check box to find out if their answers...
Curated OER
Estimate Products
In this estimating products worksheet, students interpret data on the yearly diets of the average American, then solve 6 word problems where they must estimate products by rounding the larger factor to its greatest place value.
Curated OER
Estimate Length
Without measuring, can estimators determine which string is the longest? The shortest? There are two sets of strings here for learners to evaluate, circling the shortest in the first set and the longest in the second. Next, they eyeball...
Balanced Assessment
Fermi Area
Discover creative ways to use surface area formulas. In the assessment task, scholars apply estimation strategies to determine surface area in non-routine problems. They consider surface area of kitchen sponges, rock salt crystals, and...
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...
Willow Tree
Simplifying Square Roots
The square root of five and five do not have the same value! How many times have you addressed this with math classes? A lesson gives an explanation of a square root and gives examples for simplifying square root...
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...