Questions LLC
Login
or
Sign Up
Ask a New Question
Mathematics
Addition
Estimation
How can estimating help you add two-digits numbers?
2 answers
It's easy to add two numbers in your head. But it's much harder to add four numbers in your head.
349-214=ballpark estimate:
You can
ask a new question
or
answer this question
.
Related Questions
While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten
How many 2-digit numbers can be formed using only the digits 2, 3, 5, and 6, if the digits are not be repeated within a number?
A
find how many six-digit numbers can be formed from the digits 2,3,4,5,6,7 (with repetitions) if a) numbers formed must be even
What positive four-digit integer has its thousands and hundreds digits add up to the tens digit.
Its hundreds and tens digits add
While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten
The Sentosa High School's telephone number is an eight digit number. The sum of the two numbers formed from the first three
A security code used to consist of two odd digits, followed by four even digits. To allow more codes to be generated, a new
In a 4 digit number, the two greatest place-value digits are 2. The sum of the ones and tens digits is 14. What numbers are
Three(3) digit numbers can be formed from the digits 0,1,3,5,7 and 8. How many numbers can be formed without repeats. (A) if the
Make the largest and smallest numbers you can find using the digits: 4,1,7,8,5 and 2. Find their difference and sum.
1. I do not