Place Value
Compare/Round Numbers
Estimating
Adding
Subtracting
100

What is the value of the 4 in 634,305?

4,000

100

Compare the numbers using <, >, or =.

56,256 _____ 560,256

56,256  <  560,256

100

What is the keyword for estimate?

ABOUT

100

Add. 53,036 + 94,030

147,066

100

Subtract. 684,035 - 53,603

630,432

200

Write 52,703 in expanded form.

50,000 + 2,000 + 700 + 3

200

Round the number to the nearest hundred.

529

500

200
Estimate.   43,609 + 95,000

40,000 + 100,000 = 140,000

200

Add. 264,703 + 359,035

623,738

200

Subtract. 500,000 - 356,935

143,065

300

Write 602,250 in word form.

six hundred two thousand, two hundred fifty.

300

Round this number to the underlined digit.

567,923

560,000

300
There are 4 dogs at each house. There are 52 houses in town. About how many dogs are there in town?

50 x 4 = 200 dogs

300

There are 543,995 people in New York on New Years and 424,099 people in Chicago on New Years. How many people are in the two cities?

968,094 people

300

There were 629,935 people watching the Super Bowl. There were 240,936 people watching the NBA finals. How many more watched the Super Bowl?

388,999 people 

400

Write the following in standard form.

400,000 + 80,000 + 4,000 + 700 + 90 + 8

484,798

400

Put them in order from greatest to least.

52,747

523,747

532,747

532,747    523,747    52,747

400

You can earn 592 points on each level of the video game. About how many points would you earn in 8 levels?

600 x 8 = 4,800 points

400

Add. 530,306 + 53,703 + 83,395

667,404

400

Subtract. 935,359 - 358,305

577,054

500

What is the value of the 6's in 645,960

600,000 and 60

500

The ball bounced 634,503 in the basketball game. What is this number rounded to the nearest thousand?

635,000

500

There were 146,260 people at the MLB game on Saturday and 205,063 people on Sunday. About how many more people went to the game on Sunday?

200,000 - 150,000 = 50,000 people

200,000 - 100,000 = 100,000 people

500

The Grand Canyon is 1,904 square miles. Alaska is 663,268 square miles. How many square miles are they all together?

665,172 square miles

500

The population of North Dakota is 796,568 people. The population of South Dakota is 924,669 people. How many more people live in South Dakota?

128,101 people