Mr. Addit explains rounding and estimating and teaches how to use estimation to add, subtract, and multiply. He models how to estimate products in multiplication math problems.

Learn how to round a number and estimate the answer with this cool animated video!

Mr. Addit explains the concepts of estimating and rounding and gives examples of rounding one-digit numbers to the nearest ten, rounding two-digit numbers to the nearest ten, and rounding numbers to the nearest hundred.

In this video, the teacher explains how to estimate unit rates using verbal descriptions and equations. They provide an example of estimating the number of students per teacher in a school, demonstrating the process of rounding and...

Learn how to round a number to the nearest TEN and provide the estimated answer.

An approximation is anything that is similar, but not exactly the same as something else. For example, if you were to say a 57 minute journey would take “about an hour”, you would be approximating. A value can be approximated by...

Recognize estimation and estimate sums using rounding.

In this lesson, students learn how to estimate solutions to multistep story problems by rounding. They are taught the concept of rounding and how to use benchmark numbers to determine whether a number should be rounded up or down.

In this video, students learn how to use smart rounding to estimate the addition and subtraction of decimals without performing the actual calculation. They learn how to round numbers to familiar or easy-to-work-with values and provide...

How accurately should speed be denoted? Would you round a snail's speed to the nearest whole unit? Or give a rocket's speed to five decimal places? Why accuracy, rounding and significant figures are useful. Maths - Accuracy And Proof A...

In this video, students learn how to solve story problems involving addition of unlike mixed number fractions using area models. The teacher explains the importance of rounding and estimating to make calculations easier and provides...

Sally and her friends want to buy 8 cheeseburger meals. They have $80, and each meal costs $9. Do they have enough money to pay for the meals? And if there is any money left over, how many milkshakes can they get, if each costs $2?

This video covers how to get a quick but rough answer by estimating. This involves rounding the figures you're given to make them easier to work with.



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"The number to the right must be found: Five or more? ROUND UP! Less than five? ROUND DOWN!" You're students will definitely ask you to play this one again. Rounding has never been as engaging as it is in this math song that you'd think...

Pupil outcome: I can use my knowledge of rounding, estimation and bounds to solve problems. Key learning points: - Rounding and estimation are practical maths skills. - They can be used to quickly estimate the cost of a project. -...

Pupil outcome: I can use my knowledge of rounding, estimation and bounds to solve problems. Key learning points: - Rounding and estimation are practical maths skills. - Sometimes you will need to apply common sense to rounding in...

In this lesson, the teacher demonstrates two methods for approximating square roots without a calculator: using a table and using a number line. The teacher provides examples and walks through the steps for each method, allowing...

In the first day of its showing 567 people saw the school play. On the second day 359 people saw it. About how many people watched the play altogether?

Approximation: This video explains how to calculate upper and lower bounds when a number has been rounded. Practice questions and answers at the end of the video.

In this short math video we will answer a standardized math test question where we are asked to estimate a sum by rounding. We will review the rules for rounding to a whole number. If the value to the right of the decimal point is 5 or...

In this video, the teacher explains how to use estimation to check if an answer is reasonable. They demonstrate how to round numbers and use compatible numbers to make estimations in different math problems.

In this video, students are taught to round the lead digit to the nearest hundred and then add the rounded numbers to get an estimated sum. By comparing this estimate with the actual sum, students can determine if their answer is...

In this lesson, mathematicians will learn how to judge the reasonableness of an answer by estimating. They will understand that estimation involves rounding numbers to simplify calculations and obtain approximate solutions.

Tiffany has $100 to spend on shopping for winter clothes. She needs to buy a jacket, a pair of boots, a snow hat and mittens. Does Tiffany have enough money to buy these things?