Rounding
Estimation
Addition
Subtraction
Review
100

Round 56, 914 to the nearest thousand.

What is 57,000

100

Estimate the answer in the ten thousands: 78,999 + 11,231

What is 90,000
100

Answer: 581,354 + 158,414

What is 739,768

100

Answer: 22,647-17,906

What is 4741

100

What is the first place value? 

What is ones.

200

Round 77,453 to the nearest 100.

What is 77,500

200

Estimate the answer to the nearest thousands: 6,589 + 4,499

What is 11,000

200

Answer: 191,191 + 607,475

What is 798,666

200

334,084 - 81,100

252,984

200

What is the the value of the digit 8 in 98,541?

8,000

300

Round 19, 113 to the nearest ten thousand.

What is 20,000

300

Estimate the answer to the nearest tens: 133,561 + 548,159 

Answer 681,720

300

Answer: 487,693 + 180,034

What is: 667,727

300

858,074 - 674,720

183,354

300

What is the place value of the 9 in the number 56,900

Hundreds

400

Round 33,575 to the nearest 10.

What is 33,580.

400

Estimate the answer to the nearest ten thousands 548,643 - 54,999 

What is 500,000

400
Answer: 32,999 + 154,598

Answer: 187,597

400

10,950 - 8,643

2307

400

Show this number in expanded form: 45,450

40,000 + 5,000 + 400 + 50

500

Round 45,382 to the nearest ten thousand, thousand, hundred, and ten.  You will have 4 numbers.

What is 50,000; 45,000; 45,400; 45,380

500

Estimate the answer to the nearest tens, 548,159 - 133,561

What is 414,600

500

Answer: 99,999 + 987,654

Answer: 1,087,653

500

100,000 - 65,986

34,014

500

Write the number: three-hundred sixty-eight thousand, seven-hundred sixty-six

368,766