Use the worksheet Census Data 2017: Working for a Living 2 to help learners round the total number of workers to the nearest hundred millions place.

Use the worksheet 2017 Census Data: Working for a Living 3 to help your fourth or fifth graders evaluate a bar graph with numbers represented as decimals. They will use the graph to compare and add the decimal numbers.

On this third grade math worksheet, kids round to estimate the difference between two numbers, a useful strategy for checking the results of calculations.

On this third grade math worksheet, kids round to estimate the sum of two numbers, a useful strategy for checking the results of calculations.