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Rounding Whole Numbers Test
About Rounding Whole Numbers:

When we want to get a value that is close but not necessarily exact, we can use an approximation. One method to approximate a number is known as rounding. Rounding allows us to approximate a number to a specific round off place.

Test Objectives:

•Demonstrate the ability to round a whole number to the nearest ten, hundred, & thousand

•Demonstrate the ability to round a whole number to the nearest thousand, ten thousand, & million

•Demonstrate the ability to round a whole number to any high level place

Rounding Whole Numbers Test:




#1:


Instructions: Round each to the nearest ten, hundred, and thousand.


a) 15,375


b) 373,575


c) 21,583


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#2:


Instructions: Round each to the nearest thousand and ten thousand.


a) 5,273,371


b) 65,315


c) 26,300


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#3:


Instructions: Round each to the nearest million.


a) 6,375,322


b) 17,955,971


c) 19,100,571


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#4:


Instructions: Round each to the nearest billion.


a) 163,517,325,317


b) 224,978,381,500


c) 6,000,000,536,179


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#5:


Instructions: Round each to the nearest ten trillions.


a) 169,315,111,827,059


b) 5,978,181,246,056,192


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Written Solutions:




#1:


Solution:


a) nearest ten - 15,380 : nearest hundred - 15,400 : nearest thousand - 15,000


b) nearest ten - 373,580 : nearest hundred - 373,600 : nearest thousand - 374,000


c) nearest ten - 21,580 : nearest hundred - 21,600 : nearest thousand - 22,000


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#2:


Solution:


a) nearest thousand - 5,273,000 : nearest ten thousand - 5,270,000


b) nearest thousand - 65,000 : nearest ten thousand - 70,000


c) nearest thousand - 26,000 : nearest ten thousand - 30,000


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#3:


Solution:


a) 6,000,000


b) 18,000,000


c) 19,000,000


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#4:


Solution:


a) 164,000,000,000


b) 225,000,000,000


c) 6,000,000,000,000


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#5:


Solution:


a) 170,000,000,000,000


b) 5,980,000,000,000,000


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