Curated OER
Rounding Up or Down?
In this rounding worksheet, 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
Number Round-Up
In this math worksheet, students practice rounding numbers to the nearest ten, hundred, or thousand in sets of twelve. They round their ages to the nearest ten, and round a 5 digit number to the nearest ten, hundred, thousand, and ten...
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
Reasonable Estimates
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
Illustrative Mathematics
Making Cookies
Hooray for chocolate chip cookies! Ask your mathematicians to triple a chocolate chip cookie recipe and then reduce the recipe by one-fourth. Your class may need two days to complete, tripling the recipe the first day and reducing the...
Curated OER
A Rounding Review
Fourth graders review rounding to the nearest ten, hundred, and thousand with this fun lesson centered around a visit to the computer lab.
Curated OER
Estimate How Many Seeds Are In a Fruit or Vegetable
Help mathematicians estimate how many seeds are in a given vegetable or fruit. They are divided into pairs and estimate the amount of seeds in a whole fruit without seeing the inside. They then cut the fruit or vegetable in half and...
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
Buying on Credit
Explore using credit in this financial responsibility and math lesson. Learn to identify the acronym of "PRT" as Principle x Rate x Time, then calculate interest based on this formula. Do some real-world problem solving and choose...
CK-12 Foundation
Estimation to Check Decimal Multiplication: Watering a Garden
Mathematicians solve six multiple-choice and true or false questions using their knowledge of estimation and multiplying decimals. The interactive provides a garden-themed tool that creates a visual aid of three watering cans to assist...
Illustrative Mathematics
How Many Leaves on a Tree?
This is great go-to activity for those spring or fall days when the weather beckons your geometry class outside. Learners start with a small tree, devising strategies to accurately estimate the leaf count. They must then tackle the...
Curated OER
Estimate Sums and Differences
In this estimating sums and differences practice learning exercise, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Decimals and Percents
In this decimals and percents activity, 8th graders solve 26 different types of problems that include expressing numbers as a decimal and a percent. Then they change each number to fractions and determine the unknown number for each...
Curated OER
Go Fish
Help learners discover methods to estimate animal population. They will participate in a simulation of catching and tagging fish in order to estimate the fish population. They scoop and count goldfish crackers, record data, and use...
Curated OER
Round to the Nearest Whole $
In this rounding money worksheet, students identify the money amounts in each examples and round to the nearest dollar for the 10 examples.
Curated OER
Estimate High and Low: Compatible Numbers
In this estimation learning exercise, students read about compatible numbers and complete a chart, estimating quotients and determining if estimations were "over or under." Students then answer questions related to the chart.
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 worksheet, learners round a set of 40 numbers to the nearest 10. An answer key and a website reference for additional resources are given.
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.
Curated OER
Robot Rounding!
Students collect data on a robot and relate the behavior to prove there is an infinite minute set of numbers. In this algebra lesson plan, students verify that there is always a number between two numbers. They analyze and make...
Curated OER
Numeracy Assessment
In this math worksheet, students are assessed on their basic math skills. Included are questions on multiplying and dividing by 10 and 100, place value, basic word problems, rounding, estimating and comparing numbers.
Curated OER
Estimating
In this estimating worksheet, students estimate the four digit numbers given to them to the nearest thousand. Students complete 10 problems total.
Curated OER
Problem Solving: Make an Organized List
In this problem solving strategies worksheet, students solve 6 word problems where they must make an organized list in order to solve each problem. Students order and round numbers to solve some problems.
Curated OER
Add Whole Numbers
In this addition practice worksheet, students practice their math skills as they solve 21 addition problems that require them to add 3 digit numbers, 4 digit numbers, and money. Students also answer 2 test prep questions.