This grade 3 rounding quiz asks 10 multiple-choice questions on rounding to the nearest 10 and 100, and each answer comes with a short explanation.
Answer these 10 multiple-choice questions on rounding to the nearest 10 and 100. Use number lines and the halfway rule. Each question has exactly one correct answer.
Grade 3Common Core: 3.NBT.A.1
🎯 Rounding to the Nearest 10 and 100 – Grade 3 math quiz
Score: 0 / 10
Answered: 0 / 10
Question 1
What is \(64\) rounded to the nearest 10?
A\(60\)
B\(70\)
C\(64\)
D\(100\)
Question 2
Hana plots 56 on the number line. What is 56 rounded to the nearest 10?A number line from 50 to 60 with a point at 56.
A\(50\)
B\(55\)
C\(56\)
D\(60\)
Question 3
What is \(235\) rounded to the nearest 10?
A\(240\)
B\(230\)
C\(200\)
D\(250\)
Question 4
What is \(649\) rounded to the nearest 100?A number line from 600 to 700 with a point at 649.
A\(700\)
B\(650\)
C\(600\)
D\(640\)
Question 5
Tyler marks 350 on a number line between 300 and 400. What is 350 rounded to the nearest 100?A number line from 300 to 400 with a point at 350.
A\(400\)
B\(300\)
C\(350\)
D\(450\)
Question 6
What is \(98\) rounded to the nearest 10?
A\(90\)
B\(100\)
C\(80\)
D\(110\)
Question 7
Which number rounds to 500 when rounded to the nearest 100?
A\(440\)
B\(551\)
C\(399\)
D\(462\)
Question 8
Estimate 38 + 47 by rounding each number to the nearest 10.Number line with 38 and 47.
A\(80\)
B\(100\)
C\(85\)
D\(90\)
Question 9
What is the smallest whole number that rounds to 80 when rounded to the nearest 10?
A\(70\)
B\(75\)
C\(79\)
D\(85\)
Question 10
Estimate 682 − 307 by rounding each number to the nearest 100.
A\(300\)
B\(500\)
C\(400\)
D\(375\)
🎉 Quiz complete!
0 / 10
How does this quiz work?
Read each question, choose one answer among A, B, C and D, then check it: a short explanation appears after every answer. Your score out of 10 is shown at the end, and you can restart the quiz as often as you like.
What should you review before the quiz?
Reread the key facts of the lesson and the worked example. If a question is hard, go back to the matching part of the lesson, then try the quiz again. Write your work on scrap paper: most mistakes come from skipping a step, not from the idea itself.
Remember:
Round to the nearest 10 by looking at the ones digit.
Round to the nearest 100 by looking at the tens digit.
A digit of 5 or more rounds up; a digit of 4 or less rounds down.
Halfway numbers such as 45 and 450 round up.
Rounded numbers help you estimate sums and differences.
How to use this grade 3 rounding quiz
Retake this grade 3 rounding quiz until every answer is right, then move on to the worksheet and the test.
