Estimating Sums and Differences

Round off 887,654 to the nearest largest number.

• 900,000

• 400,000

• 200,000

• 600,000

Round off 68,932 to the nearest largest number.

• 90,000

• 70,000

• 60,000

• 50,000

Estimate the sum of 48,678 and 56,789 by rounding each number to the nearest largest place value.

• 150,000

• 120,000

• 100,000

• 110,000

Estimate the difference between 98,765 and 32,109 by rounding each number to the nearest largest place value.

• 30,000

• 70,000

• 50,000

• 60,000

Round 67,890 and 54,321 to the nearest largest place value and then add the rounded numbers.

• 180,000

• 130,000

• 200,000

• 120,000

Round 87,654 and 23,456 to the nearest largest place value and then subtract the rounded numbers.

• 80,000

• 100,000

• 70,000

• 50,000

Estimate the difference between 876,543 and 345,678 by rounding each number to the nearest largest place value.

• 200,000

• 600,000

• 500,000

• 800,000

Round 689,012 and 210,987 to the nearest largest place value and then add the rounded numbers.

• 900,000

• 1,000,000

• 1,100,000

• 2,000,000

Estimate the difference between 876,543 and 532,109 by rounding each number to the nearest largest place value.

• 200,000

• 400,000

• 600,000

• 800,000

Estimate the sum of 296,789 and 567,890 by rounding each number to the nearest largest place value.

• 1,000,000

• 900,000

• 800,000

• 700,000