Free GCSE Rounding practice questions with full step-by-step worked solutions. Covers rounding, dp, nearest, sf. Practise exam-style problems and check your method.
Identify the first decimal place (tenths)
We are rounding 3.47 to the 1 decimal place, so we focus on the first decimal place (tenths).
Look at the next digit to decide
The next digit is 7, which is 5 or more, so we round up.
Write 3.47 rounded to the 1 decimal place
So 3.47 rounded to the 1 decimal place is 3.5.
Identify the 1 significant figure
We are rounding 0.0072 to the 1 significant figure, so we focus on the 1 significant figure.
Look at the next digit to decide
The next digit is 2, which is less than 5, so we round down.
Write 0.0072 rounded to the 1 significant figure
So 0.0072 rounded to the 1 significant figure is 0.007.
Identify the second decimal place (hundredths)
We keep 2 digit(s) after the decimal point.
Look at the next digit
This digit decides whether we round up or leave the kept digit unchanged.
Apply the rounding rule
The next digit is 7, which is 5 or more, so we round up.
Adjust the kept digits, carrying if needed
If rounding up makes a 9 become 10, carry into the next column.
Keep any trailing zeros in the decimal part
Trailing zeros are kept so the answer clearly shows 2 decimal place(s).
Write 0.8471 to 2 decimal place(s)
So 0.8471 rounded to 2 decimal place(s) is 0.85.
Look at 3365 to round to the nearest 100
The next digit is 6, which is 5 or more, so we round up.
Round 3365
3365 rounds to 3400.
Look at 4471 to round to the nearest 100
The next digit is 7, which is 5 or more, so we round up.
Round 4471
4471 rounds to 4500.
Look at 3337 to round to the nearest 100
The next digit is 3, which is less than 5, so we round down.
Round 3337
3337 rounds to 3300.
Look at 2562 to round to the nearest 100
The next digit is 6, which is 5 or more, so we round up.
Round 2562
2562 rounds to 2600.
Add the rounded values
Add the rounded numbers to estimate the total.
State the estimate
The estimated total is 13800.
Look at 283.1 to round to the 1 significant figure
The next digit is 8, which is 5 or more, so we round up.
Round 283.1
283.1 rounds to 300.
Look at 787.1 to round to the 1 significant figure
The next digit is 8, which is 5 or more, so we round up.
Round 787.1
787.1 rounds to 800.
Look at 752.0 to round to the 1 significant figure
The next digit is 5, which is 5 or more, so we round up.
Round 752.0
752.0 rounds to 800.
Look at 536.2 to round to the 1 significant figure
The next digit is 3, which is less than 5, so we round down.
Round 536.2
536.2 rounds to 500.
Look at 456.8 to round to the 1 significant figure
The next digit is 5, which is 5 or more, so we round up.
Round 456.8
456.8 rounds to 500.
Look at 68.2 to round to the 1 significant figure
The next digit is 8, which is 5 or more, so we round up.
Round 68.2
68.2 rounds to 70.
Add the first group of rounded values
Add the first half of the rounded numbers.
Add the second group of rounded values
Add the second half of the rounded numbers.
Combine the two subtotals
The estimated total is 2970.
Create a free account to work through every GCSE Rounding question with instant step-by-step worked solutions, progress tracking and interactive lessons.
No card required · Free forever