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Quizzes > High School Quizzes > Mathematics

Master Rounding Practice Quiz

Sharpen your rounding skills with practice questions

Difficulty: Moderate
Grade: Grade 3
Study OutcomesCheat Sheet
Colorful paper art promoting Round It Up math trivia quiz for middle school students

Round 27 to the nearest ten.
40
27
20
30
When rounding to the nearest ten, look at the ones digit. Since 7 is 5 or greater, 27 rounds up to 30.
Round 14 to the nearest ten.
14
20
10
15
The ones digit in 14 is 4, which is less than 5. Therefore, 14 rounds down to 10.
Round 50 to the nearest ten.
55
50
40
60
Since 50 already ends in a 0, it is exactly at a ten and remains 50 when rounded.
Round 33 to the nearest ten.
33
40
35
30
The ones digit in 33 is 3 which is less than 5, so you round down to 30 when rounding to the nearest ten.
Round 82 to the nearest ten.
82
80
100
90
Since the ones digit in 82 is 2, which is less than 5, it rounds down to 80.
Round 146 to the nearest ten.
140
160
150
145
Looking at the ones digit in 146, which is 6, the number rounds up to 150 when rounding to the nearest ten.
Round 146 to the nearest hundred.
200
140
150
100
When rounding 146 to the nearest hundred, compare the distance to 100 and 200. Since 146 is closer to 100, it rounds to 100.
Round 372 to the nearest hundred.
350
300
370
400
The number 372 is closer to 400 than to 300 because the tens and ones digits form 72, which is more than half of 100. Therefore, 372 rounds to 400.
Round 249 to the nearest ten.
240
260
245
250
Since the ones digit in 249 is 9, which is 5 or greater, it rounds up to 250 when rounding to the nearest ten.
Round 249 to the nearest hundred.
240
300
250
200
When rounding 249 to the nearest hundred, the last two digits (49) are less than 50, so the number rounds down to 200.
Round 865 to the nearest ten.
880
860
870
865
The ones digit in 865 is 5, so according to rounding rules, it rounds up to 870 when rounding to the nearest ten.
Round 865 to the nearest hundred.
900
870
800
850
For rounding 865 to the nearest hundred, the tens and ones form 65 which is 50 or more, so 865 rounds up to 900.
Round 543 to the nearest ten.
530
550
543
540
The ones digit in 543 is 3, which is less than 5, so it rounds down to 540 when rounding to the nearest ten.
Round 543 to the nearest hundred.
500
600
540
550
With the last two digits being 43, which is less than 50, 543 rounds down to 500 when rounding to the nearest hundred.
Round 432 to the nearest hundred.
400
430
440
500
For rounding 432 to the nearest hundred, the tens and ones (32) are less than 50, so it rounds down to 400.
Round 12.56 to the nearest whole number.
12
13
14
12.5
The decimal 0.56 is more than 0.5, so rounding 12.56 to the nearest whole number gives 13.
Round 789.4 to the nearest hundred.
789
800
700
780
789.4 is much closer to 800 than to 700. When rounding to the nearest hundred, it rounds up to 800.
Round 464 to the nearest ten and then round the result to the nearest hundred. What is the final number?
400
500
460
450
First, round 464 to the nearest ten which gives 460 (since 4 is less than 5). Then, when rounding 460 to the nearest hundred, the difference from 500 is smaller than from 400, so the final answer is 500.
Round 37.84 to the nearest tenth.
37.7
37.8
37.9
38.0
Rounding to the nearest tenth requires looking at the hundredths place. Since 4 is less than 5, 37.84 rounds down to 37.8.
Round 0.49 to the nearest whole number.
1
0.49
0.5
0
Since 0.49 is less than 0.5, it rounds down to 0 when rounding to the nearest whole number.
0
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Study Outcomes

  1. Understand the concept of rounding numbers to the nearest ten.
  2. Apply rounding strategies to accurately simplify numerical values.
  3. Analyze given numbers to determine their correct rounded forms.
  4. Evaluate the impact of rounding on estimation and calculation results.

Rounding Quiz Review Cheat Sheet

  1. Understand the concept of rounding - Rounding is like giving numbers a quick makeover: you adjust them to the nearest ten, hundred, or another place value to keep things simple yet still pretty accurate. It's your secret weapon for speedy mental math and ballpark estimates. mathsisfun.com - Rounding Numbers
  2. Learn the general rounding rule - If the digit to the right of your target place is 5 or more, you round up; if it's less than 5, you round down. Think of it as deciding whether your number deserves a tiny boost or should stay put. Mastering this rule is the backbone of all rounding adventures. factmonster.com - Rounding Rules & Examples
  3. Practice rounding to the nearest ten - Locate the ones digit, then check if it's 5 or above. If it is, bump the tens digit up by one and switch the ones to zero; if not, just change the ones to zero. This simple drill makes rounding in everyday life a breeze! onlinemathlearning.com - Rounding to the Nearest Ten
  4. Master rounding to the nearest hundred - Zero in on the tens digit: if it's 5 or more, add one to the hundreds spot and turn both tens and ones into zeros; otherwise, make them zeros without changing the hundreds. Soon you'll be rounding big numbers like a pro, whether you're estimating prices or distances. edubloxtutor.com - Rounding to the Nearest Hundred
  5. Get comfortable with rounding to the nearest thousand - Check the hundreds digit: if it reaches 5 or above, give your thousands digit a lift and reset the rest to zeros. If not, simply clear the smaller places. This skill is great for huge figures, like populations or budgets. edubloxtutor.com - Rounding to the Nearest Thousand
  6. Apply rounding to decimals - To round decimals, focus on the digit immediately right of your desired place. If it's 5 or higher, bump up; if it's lower, drop it. This trick transforms numbers like 3.1416 into neat values such as 3.14 in no time. mathsisfun.com - Rounding Decimals
  7. Understand the importance of place value - Every digit in a number has its own job - from ones and tens to tenths and hundredths. Knowing each place's worth is crucial for accurate rounding, so consider using a chart to map them out visually. It's like giving each digit its very own VIP badge. storyofmathematics.com - Place Value & Rounding
  8. Practice with real-life examples - Rounding pops up everywhere: estimating your grocery bill, calculating travel time, or figuring out party budgets. Next time an item costs $2.89, round it to $3.00 in a flash for a quick head count. Real situations make learning stick! factmonster.com - Real-Life Rounding
  9. Use number lines to visualize rounding - Placing numbers on a line helps you see whether they're closer to one endpoint or the other. It's like setting a finish line for your digits - whichever side they're nearer to wins. This visual trick cements the concept in your brain. theschoolrun.com - Number Lines & Rounding
  10. Practice with worksheets - Regularly tackling a mix of rounding exercises builds speed and confidence. Look for worksheets that cover everything from tens to decimals, so you're ready for any rounding challenge. Consistent practice makes perfect! edubloxtutor.com - Rounding Worksheets
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