Expand on prior knowledge of place value to teach your class how to round whole numbers. This essential skill is explained with the help of a number line before introducing the explicit rules for rounding numbers up and down. Work...

Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...

For this rounding worksheet, students round 50 three and four digit numbers to the nearest hundred. They write the rounded number below the original number.

In this rounding worksheet, students solve 10 fill in the blank problems where they examine a 2, 3 or 4 digit number, write the numbers it is between and then round each number to the nearest hundred. Next, students solve 15 fill in the...