using rounding to estimate answers

Use rounding to the nearest 10 to estimate 193 + 24

• 230

• 210

• 220

Use rounding to 10 in order to estimate the answer for 169 + 345

• 510

• 500

• 520

Use rounding to 100 in order to estimate the answer to 5,672 + 3,049

• 8,800

• 8,720

• 8,700

• 8,750

Use rounding to the nearest 100 to estimate the sum of 4,567 + 2,345

• 6,900

• 6,800

• 7,000

• 7,100

Use rounding to the nearest 10 to estimate the result of 287 + 134

• 420

• 410

• 430

Use rounding to the nearest 10 to estimate 456 + 78

• 530

• 540

• 550

• 520

Use rounding to the nearest 10 to estimate the result of 512 + 289

• 800

• 790

• 810

• 820

Use rounding to the nearest 100 to estimate the sum of 7,654 + 1,234

• 8,800

• 8,900

• 9,000

• 8,880

Use rounding to the nearest 10 to estimate 345 + 678

• 1,020

• 1,030

• 1,010

• 1,000

Use rounding to the nearest 100 to estimate the sum of 3,678 + 4,321

• 8,000

• 7,900

• 8,100

• 7,800