Hard GCSE Rounding Questions

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 $2970$.

Look at $4536$ to round to the nearest $100$

The next digit is $3$, which is less than $5$, so we round down.

Round $4536$

$4536$ rounds to $4500$.

Look at $3494$ to round to the nearest $100$

The next digit is $9$, which is $5$ or more, so we round up.

Round $3494$

$3494$ rounds to $3500$.

Look at $621$ to round to the nearest $100$

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

Round $621$

$621$ rounds to $600$.

Look at $291$ to round to the nearest $100$

The next digit is $9$, which is $5$ or more, so we round up.

Round $291$

$291$ rounds to $300$.

Look at $5358$ to round to the nearest $100$

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

Round $5358$

$5358$ rounds to $5400$.

Look at $1154$ to round to the nearest $100$

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

Round $1154$

$1154$ rounds to $1200$.

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 $15500$.

Look at $33$ to round to the nearest $10$

The next digit is $3$, which is less than $5$, so we round down.

Round $33$

$33$ rounds to $30$.

Look at $29$ to round to the nearest $10$

The next digit is $9$, which is $5$ or more, so we round up.

Round $29$

$29$ rounds to $30$.

Look at $96$ to round to the nearest $10$

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

Round $96$

$96$ rounds to $100$.

Look at $154$ to round to the nearest $10$

The next digit is $4$, which is less than $5$, so we round down.

Round $154$

$154$ rounds to $150$.

Look at $71$ to round to the nearest $10$

The next digit is $1$, which is less than $5$, so we round down.

Round $71$

$71$ rounds to $70$.

Look at $164$ to round to the nearest $10$

The next digit is $4$, which is less than $5$, so we round down.

Round $164$

$164$ rounds to $160$.

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 $540$.

Look at $838.8$ to round to the $1$ significant figure

The next digit is $3$, which is less than $5$, so we round down.

Round $838.8$

$838.8$ rounds to $800$.

Look at $586.8$ to round to the $1$ significant figure

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

Round $586.8$

$586.8$ rounds to $600$.

Look at $695.8$ to round to the $1$ significant figure

The next digit is $9$, which is $5$ or more, so we round up.

Round $695.8$

$695.8$ rounds to $700$.

Look at $651.3$ to round to the $1$ significant figure

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

Round $651.3$

$651.3$ rounds to $700$.

Look at $886.6$ to round to the $1$ significant figure

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

Round $886.6$

$886.6$ rounds to $900$.

Look at $279.1$ to round to the $1$ significant figure

The next digit is $7$, which is $5$ or more, so we round up.

Round $279.1$

$279.1$ rounds to $300$.

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 $4000$.

Look at $3923$ to round to the nearest $100$

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

Round $3923$

$3923$ rounds to $3900$.

Look at $1300$ to round to the nearest $100$

The next digit is $0$, which is less than $5$, so we round down.

Round $1300$

$1300$ rounds to $1300$.

Look at $1619$ to round to the nearest $100$

The next digit is $1$, which is less than $5$, so we round down.

Round $1619$

$1619$ rounds to $1600$.

Look at $3226$ to round to the nearest $100$

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

Round $3226$

$3226$ rounds to $3200$.

Look at $4029$ to round to the nearest $100$

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

Round $4029$

$4029$ rounds to $4000$.

Look at $1893$ to round to the nearest $100$

The next digit is $9$, which is $5$ or more, so we round up.

Round $1893$

$1893$ rounds to $1900$.

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 $15900$.