Estimation and Rounding

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# Estimation and Rounding - PowerPoint PPT Presentation

Estimation and Rounding. Fernway 4 th Grade NNO 3--I can round whole numbers to a given place value. Rounded numbers are numbers that are close in value to the actual numbers. True False I’m not sure. Do rounded numbers help you estimate what an answer to a problem will be?.

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### Estimation and Rounding

NNO 3--I can round whole numbers to a given place value.

Rounded numbers are numbers that are close in value to the actual numbers.
• True
• False
• I’m not sure
What is 28,432 rounded to the nearest thousands place?
• 28,400
• 28,500
• 28,000
• 29,000
• I’m not sure
Which rounded numberscould you use for 64 + 88?
• 60 + 80
• 65 + 95
• 60 + 90
• 60 + 85
• I’m not sure
Use rounded numbers to estimate the value of 47 + 9. What is your estimated answer?
• 70
• 50
• 60
• 65
• I’m not sure

There are 72 fourth graders at Fernway school, and there are 5 elementary schools in Shaker Heights City School district. If each school is about the same size, about how many fourth graders are there in the district?

• 300
• 350
• 200
• 50
• I’m not sure