There are 30 worksheets included in this workbook. Each has six problems for estimating the sum of a series of numbers. There are ten sheets for estimating the sum of 2 two-digit numbers and ten sheets for estimating the sum of 2 three-digit numbers. There are also five sheets each for estimating the sum of 3 two-digit numbers and 3 three-digit numbers. The problems are appropriate for later elementary grades.

Number of Worksheets: 34                  Format: PDF

Gold and Supreme members can download this workbook here: Getworksheets.com