6:NA35Estimating and rounding
Addition and Subtraction — Level 6
Rounding four-digit, five-digit and six-digit numbers to the nearest ten, hundred, thousand, ten thousand and hundred thousand. Considering the most useful place value unit to round to for addition. Using rounding to estimate the cost of objects. Using rounding to estimate and multiply large numbers in word problems. Using rounding to estimate the answer to additions of large numbers.
