Estimating and Rounding Solutions

Which numbers would round to 440 if you rounded them to the nearest 10?

• 441 and 446

• 437 and 443

• 445 and 442

• 432 and 441

Which TWO words are clue words that a problem is an estimating problem? CHECK TWO!

• About

• Exactly

• Approximately

• Precisely

• Subtraction

There are 66,183 students at the University of Central Florida. Which number is a good estimation of how many students go to UCF?

• 67,000

• 66,500

• 76,000

• 66,000

What happens to the numbers to the right of the target number once a number is rounded?

• The numbers get higher.

• The numbers are dropped.

• The numbers are changed to zeroes

• The numbers get lower.

Round 1, 999, 999 to the nearest ten.

• 1,999,900

• 1,999,990

• 1,999,000

• 2,000,000

The distances four hot air balloons traveled are listed below. Balloon A: 6,559 kilometers Balloon B: 6,545 kilometersBalloon C: 6,547 kilometers Balloon D: 6,553 kilometersAnsh wanted to round the numbers to the nearest ten. Which number does NOT round to 6,550?

• 6,559

• 6,545

• 6,547

• 6,553

What is 39 rounded to the nearest ten?

• 40

• 30

• 35

• 45

What is eighteen rounded to the nearest ten?

• 10

• 20

• 25

• 30

Estimate and add:

77

+ 12

• 90

• 89

• 88

• 80

Estimate and add:

66

+ 22

• 80

• 88

• 90

• 100