Under the Dome
The Candy Bowl Revisited
Time for more candy! Learners view a video of a candy bowl where some of the candy is removed and more placed back. Scholars come up with questions about the scenario to answer and request additional information from the teacher. At the...
Under the Dome
The Candy Bowl
Wonder how many pieces of candy a teacher can eat. Pupils watch a video of candy in a bowl as some candy is removed to be eaten and others are added. Learners devise questions about the situation along with estimated solutions. Scholars...
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...
Fluence Learning
Solve Problems Using Measurement Concepts
Young mathematicians demonstrate what they know about measurement with a four-task assessment that focuses on estimation, length, and inches.
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
Mathed Up!
Estimation
Reinforce estimation and the four operations—addition, subtraction, multiplication, and division—with eight page, 15 problem independent practice exercise.
Curated OER
Practice: Word Problems
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians busy...
Scholastic
Study Jams! Estimate Sums & Differences of Whole Numbers
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
Curated OER
Estimate the Difference
In this estimation worksheet, students estimate the difference by rounding each two-digit number to the nearest ten. Students complete ten estimation problems.
Curated OER
Estimate Sums and Differences
In this estimating sums and differences practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Rounding Whole Numbers; Estimating Sums And Differences
In this rounding whole numbers and estimating sums and differences worksheet, students problem solve and calculate the answers to forty two mathematical equations.
Curated OER
Estimating Differences (Online Interactive)
In this estimating worksheet, students solve 20 problems in which two or three digit numbers are subtracted after rounding. Students round each number and then give an estimated answer. This is an online interactive worksheet.
Curated OER
Estimate Sums and Differences
In this word problem worksheet, 4th graders answer 6 word problems by writing mathematical sentences that show each answer. They work with distances and time.
Curated OER
Estimating Sums and Differences
In this math worksheet, learners learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...