Rounding, adding, and subtracting decimals
Flashcard
•
Mathematics
•
4th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is rounding?
Back
Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was. For example, rounding 4.6 to the nearest whole number gives you 5.
2.
FLASHCARD QUESTION
Front
How do you round a decimal to the nearest hundredth?
Back
To round a decimal to the nearest hundredth, look at the third decimal place. If it's 5 or more, increase the second decimal place by 1. If it's less than 5, keep the second decimal place the same.
3.
FLASHCARD QUESTION
Front
What is the sum of 12.45 and 15.54?
Back
The sum is 27.99.
4.
FLASHCARD QUESTION
Front
How do you add decimals?
Back
To add decimals, align the numbers by the decimal point and add as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.
5.
FLASHCARD QUESTION
Front
What is the difference between 20.5 and 7.3?
Back
The difference is 13.2.
6.
FLASHCARD QUESTION
Front
How do you subtract decimals?
Back
To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.
7.
FLASHCARD QUESTION
Front
What is 125.369 rounded to the nearest hundredth?
Back
125.37
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