Estimating Sums and Differences Quiz

Ava has 3,482 marbles. She wants to round the number of marbles to the nearest ten. What is the rounded number?

• 3,480

• 3,490

• 3,470

• 3,500

Ava, Nick, and Amelia are planning a road trip. They estimate the distances they will travel as 2,345 miles, 3,265 miles, and 4,678 miles respectively. Estimate the total distance by rounding each number to the nearest hundred.

(a)  

• 10,200

• 10,300

• 10,100

• 10,000

Sarah and Ava are comparing their savings. Sarah has $5,432 and Ava has $2,198. Estimate the difference between their savings by rounding each amount to the nearest hundred.

• 3,200

• 3,300

• 3,400

• 3,500

Jackson and Amelia are planning a road trip. They estimate the distance to be 1,256 miles to the first destination and 3,789 miles to the second destination. Use compatible numbers to estimate the total distance they will travel.

• 5,000 miles

• 5,100 miles

• 5,200 miles

• 5,300 miles

Ava has 7,654 marbles. She wants to round the number of marbles to the nearest ten: (a)  

• 7,650

• 7,660

• 7,640

• 7,670

Nicolette and Gus are planning a road trip. They estimate the distance to be 6,789 miles and 1,234 miles for two different routes. Estimate the total distance by rounding each number to the nearest thousand.

• 8,000

• 8,500

• 9,000

• 9,500

Deegan and Ava are comparing their savings. Deegan has saved 9,876 dollars and Ava has saved 4,321 dollars. Estimate the difference between their savings by rounding each amount to the nearest thousand.

• 5,000

• 5,500

• 6,000

• 6,500

Ava and Nick are comparing their savings. Ava has saved 8,432 dollars, and Nick has saved 2,987 dollars. Use compatible numbers to estimate the difference between their savings.

• 5,400

• 5,500

• 5,600

• 5,700

Ava has 2,349 marbles. She wants to round the number of marbles to the nearest ten. What is the rounded number?

• 2,340

• 2,350

• 2,360

• 2,370

Deegan and Sarah are planning a road trip. Deegan estimates the distance to be 4,567 miles, and Sarah estimates it to be 5,432 miles. Estimate the total distance by rounding each number to the nearest hundred.

• 9,800

• 9,900

• 10,000

• 10,100