best number sentence to use to estimate the sum of 27 and 52
30 + 50 = ?
To estimate the sum of 27 and 52, you can round both numbers to the nearest ten, then add them together.
So, rounding 27 to the nearest ten gives you 30, and rounding 52 to the nearest ten gives you 50.
Adding 30 and 50 together, the estimated sum of 27 and 52 is 80.
To estimate the sum of 27 and 52, you can use the rounding method. Rounding each number to the nearest ten will give you a close estimate.
Rounding 27 to the nearest ten gives you 30, and rounding 52 to the nearest ten gives you 50.
Now, you can use these rounded numbers to create an estimated number sentence: 30 + 50 = 80.
So, the best number sentence to use to estimate the sum of 27 and 52 is 30 + 50 = 80.