Rounding Worked Solutions — GCSE Maths

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 second decimal place (hundredths)

We are rounding 0.826 to the 2 decimal places, so we focus on the second decimal place (hundredths).

Look at the next digit to decide

The next digit is 6, which is 5 or more, so we round up.

Write 0.826 rounded to the 2 decimal places

So 0.826 rounded to the 2 decimal places is 0.83.

Identify the second decimal place (hundredths)

We are rounding 15.372 to the 2 decimal places, so we focus on the second decimal place (hundredths).

Look at the next digit to decide

The next digit is 2, which is less than 5, so we round down.

Write 15.372 rounded to the 2 decimal places

So 15.372 rounded to the 2 decimal places is 15.37.

Identify the first decimal place (tenths)

We are rounding 7.649 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 4, which is less than 5, so we round down.

Write 7.649 rounded to the 1 decimal place

So 7.649 rounded to the 1 decimal place is 7.6.

Identify the third decimal place (thousandths)

We are rounding 2.9518 to the 3 decimal places, so we focus on the third decimal place (thousandths).

Look at the next digit to decide

The next digit is 8, which is 5 or more, so we round up.

Write 2.9518 rounded to the 3 decimal places

So 2.9518 rounded to the 3 decimal places is 2.952.