Compatible Numbers To find compatible numbers, look at the first two numbers in the dividend (the larger number in your division problem). 528 ÷ 7 You want to find two numbers that are compatible with the number 7. A compatible number is CLOSE to 52, one bigger and one smaller than 52. It is also a multiple of 7. 3.
Full Answer
What is compatible numbers in division?
Compatible numbers are numbers that are close to the numbers they're replacing that divide evenly into each other. The quotient is the result you get when you divide. 56,000 is pretty close to 55,304. 800 is pretty close to 875, AND it divides evenly into 56,000.
How do you use compatible numbers in 5th grade?
3:307:29Compatible Numbers - Elementary Math - 4.4G - YouTubeYouTubeStart of suggested clipEnd of suggested clipNumbers they're compatible with my original. Numbers. 5 times 6 is 30. I see that I have a zero atMoreNumbers they're compatible with my original. Numbers. 5 times 6 is 30. I see that I have a zero at the end of 50. And a zero at the end of 60. And my final answer be 3000.
How do you find compatible numbers?
1:284:30Use Compatible Numbers to Estimate - YouTubeYouTubeStart of suggested clipEnd of suggested clipNumbers for example when looking to find the sum of 327. And 582 327 could be estimated to be 325.MoreNumbers for example when looking to find the sum of 327. And 582 327 could be estimated to be 325. And 582 could be estimated to be 575.. So when adding together 325 and 575 you would get 900..
How do you use the compatible number method?
0:304:43Grade 4 Math 4.5, Estimate Quotients using Compatible NumbersYouTubeStart of suggested clipEnd of suggested clipWell 24 divided by 3 is 8 3 times 8 is 24. And 21 divided by 3 is 7. 3 times 7 is 21. I would sayMoreWell 24 divided by 3 is 8 3 times 8 is 24. And 21 divided by 3 is 7. 3 times 7 is 21. I would say the 210 gets us closer. So 210 divides by 3 210 is the same thing as 21 tens.
How do you add compatible numbers?
0:173:39Grade 3 Math #1.4, Compatible numbers and Mental math strategiesYouTubeStart of suggested clipEnd of suggested clipSo if you know these it'll make doing compatible numbers very easy let's look at this one if youMoreSo if you know these it'll make doing compatible numbers very easy let's look at this one if you needed to add these up instead of adding two plus six if you know that 2 plus 8 is. 10.
How do you round using compatible numbers?
4:005:003rd Grade Math Rounding and Compatible Numbers - YouTubeYouTubeStart of suggested clipEnd of suggested clipThink of numbers that end with 25 50 or 75 think of using those in quarters 125 will be fiveMoreThink of numbers that end with 25 50 or 75 think of using those in quarters 125 will be five quarters to be like a dollar 25 cents 75 cents will be like three quarters.
What is the example of compatible numbers?
Compatible numbers - Definition with Examples We can round the numbers to the nearest ten, hundred, thousand or ten thousand to make them compatible numbers. For instance, if we have to add 493 and 549, we can make the numbers compatible by rounding them up to the nearest tens or hundreds.
What is the compatible numbers for 99999 and why?
compatible number for 99999 =10000 Compatible numbers are only used in mental computation. Working with decimals can make it difficult to multiply and divide, so compatible numbers help to simplify the tasks.13-Jun-2017
What do you mean by compatibility?
Compatibility is the capacity for two systems to work together without having to be altered to do so. Compatible software applications use the same data formats. For example, if word processor applications are compatible, the user should be able to open their document files in either product.
How can you use compatible numbers and rounding to estimate differences?
0:1414:563rd Grade Math 1.8, Estimate Differences - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe can estimate differences by using compatible numbers which we learned in video 1.3. Those areMoreWe can estimate differences by using compatible numbers which we learned in video 1.3. Those are numbers that are easy to add mentally. And are close to the real number.
How can you use a compatible number to estimate a quotient when dividing by a whole number?
When dividing a decimal by a whole number, we use the following procedure:Estimate the quotient.Perform the division. Remember to place a zero in the quotient when the divisor is larger than the dividend. ... Compare your estimate with your quotient to verify that the answer makes sense.
What two numbers do compatible numbers usually end in?
Numbers that end with 1 or more zeros are compatible. For example, use 200 - 100 to estimate 198 - 99.
What grade is GoMath for?
This is a google slideshow that follows the GoMath book for 5th grade. The lesson gives a section for the teacher to lead a class and a section for students to do independently.
Is long division difficult?
Long division is extremely challenging for most students and just when they seem to be getting the hang of it, they are asked to divide bigger and bigger numbers by two or more digit divisors. I have found that if the students can just get past the first step of determining how many times the div
Why are compatible numbers used?
Compatible numbers. Compatible numbers are numbers that seem to "go together" because they are easy to compute mentally. For various reasons, it is easier to compute addition, subtraction, multiplication, and division problems mentally using compatible numbers than numbers that are not compatible. As such, compatible numbers are commonly used ...
What is compatible with multiplication?
Compatible numbers for multiplication and division are very similar. Like with addition and subtraction, numbers that end in one or more 0s are typically compatible. For multiplication, 0 multiplied by anything is 0, so zeros on the end of multiplication problems can be removed. For multiplication, any zeros ...
What is the rule for a number that ends in 0?
One general rule that applies to all the basic arithmetic operations is that numbers that end in 0 (or multiple 0s) are compatible numbers , since in most cases they are easier to work with.
Why are numbers that end in 0 compatible?
Like in addition, numbers that end in 0 are compatible numbers because we can largely ignore the 0s, perform the subtraction, then attach the appropriate number of 0s after. Numbers that end with the same final digit are therefore compatible, since subtracting any number by itself results in 0.
How much does Travis pick up candy?
Travis picks up 2 candy bars for $0.99 each , an apple for $1.69, a bag of chips for $1.39, and a sandwich for $4.88. Estimate how much Travis will have to pay for all of it together if there is a 10% sales tax.
Do you have to break up numbers to recognize them?
It is not actually necessary to break the numbers up if you recognize them, but when doing the mental math, recognizing these numbers is as if you are doing so. This is why such numbers are referred to as compatible numbers, since, with some practice, they become easily recognizable to us.