Rounding
Estimating
Front End Estimation
Greatest Place
Place Value
100
The answer to 879 rounded to nearest tens
What is 880
100
Estimate 4586
What is 5000
100

24,396

What is 24,000?

100

34

What is 30?

100
This place is directly behind the decimal
What is tenths
200
45,695 rounded to nearest thousands
What is 46,000
200
256,894
What is 300,000
200

2,793

What is 2,700?

200

268

What is 270?

200
The third place behind the decimal
What is thousandths
300
The answer to 456,986,253 rounded to nearest millions
What is 257,000,000
300
2569 + 258
What is 3300
300

9,526,552

What is 9,500,000?

300

9,999,000

What is 10 million?

300
The value of 8 in 1236.5478
What is 8 ten thousandths
400
To round to the hundreds place you use the number in this place
What is tens place
400
54,695 + 2564
What is 58,000
400

This many place values are needed for front-end estimation.

What is the front 2?

400

1.099

What is 1?

400
Which number has the greatest value, 1 or 3: .1458923
What is 1
500
Round 4,568,224,588 to nearest ten millions
What is 4,570,000
500
25689 -2569
What is 23,000
500

The error below is:

8,658 to 8,700

What is rounding?

500

0.006783111192

What is .007 or 7 thousandths?

500
in order to know the value of a number you need to know these two things
What is the place value and digit
M
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