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Estimate the sum 646 plus 289 using compatible numbers?
94
What is the compatible numbers for the estimate sum of 123 plus 76?
120+80
What is the compatible numbers for the estimate sum 572 plus 25?
30+600+630
What pair of compatible numbers would be best to estimate the sum 249 and 752?
250 and 750, which sum to 1000. The exact sum is 1001.
Which pair of compatible numbers would be best to estimate the sum of 249 and 752?
You could use 250 and 750.
What is the compatible numbers for the estimate sum of 123 plus 76?
120+80
Estimate the sum 646 plus 289 using compatible numbers?
94
What is the compatible numbers for the estimate sum 572 plus 25?
30+600+630
What is the compatible numbers for the estimate sum of 646 plus 289?
650 + 290 = 940
What pair of compatible numbers would be best to estimate the sum 249 and 752?
250 and 750, which sum to 1000. The exact sum is 1001.
Which pair of compatible numbers would be best to estimate the sum of 249 and 752?
You could use 250 and 750.
Is 60 a compatible number?
In general, numbers are not compatible or otherwise in isolation. They are compatible in the context of other numbers. Two (or more) numbers are compatible if their sum (or other combination) is a number which YOU find easy to work with. As you acquire more experience, you may find that more and more numbers become compatible.
What numbers would you estimate the sum of 23 and 65?
88 is the sum of those two numbers.
What numbers would you use to estimate the sum of 17.23 and 3.71?
17 and 4: sum is 21.
What numbers would you use to estimate the sum of 17 and 75?
To estimate the sum of 17 and 75, you can use compatible numbers that are close to the original numbers. For example, you can round 17 to 20 and 75 to 80. Adding these rounded numbers gives you an estimated sum of 100. This estimation provides a quick approximation of the actual sum while simplifying the calculation.
What is the math definition of compatible numbers?
Compatible numbers are pairs of numbers that are easy to compute with mentally, typically because they are rounded or simplified to make arithmetic calculations easier. For example, 50 and 20 are compatible numbers for estimating the sum of 48 and 19, as they round neatly to 50 and 20, making it simple to calculate that their sum is approximately 70. This concept is often used in estimation to quickly assess the reasonableness of an answer.
When all addends are about the same you can use to estimate their sum.?
you can use whole numbers
