Estimating Whole Numbers with Addition and Subtraction

Steven has 7,171 balloons for the parade. Adriana has 6,321 balloons for the parade. Approximately how many balloons do they have together? (Round to the thousands place)

• 13,492

• 13,000

• 14,000

• 13,500

Round 6,425 - 371

**Remember to round each number to the same place value.

• 6,054

• 5,700

• 6,000

Round to the nearest ten thousand. 67,234

• 60,000

• 67,000

• 70,000

• 70,200

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Estimate 623 + 71

***Remember to round each number to the same place value.

• 694

• 690

• 670

• 770

6002 - 35

***Remember to round each number to the same place value.

• 5,960

• 5,972

• 7,037

Three rock samples have masses of 7,405 g, 972 g, and 4,549 g. A scientist estimates the total mass of the samples by rounding each mass to the nearest hundreds. What numbers will he add?

• 8,000, 1000, and 5,000

• 7,400, 1,000, and 4,500

• 7,410, 970, and 4,550

• 7,405, 972, and 4,549

The size and shape of Golden Gate Park is often compared to the size and shape of Central Park. Golden Gate Park has an area of 1,017 acres and Central Park has an area of 843 acres. About how many more acres does Golden Gate Park cover than Central Park?

• 200

• 1,800

• 500

• 174