Estimating and rounding

Place value charts and rounding.

Rounding very large numbers to the nearest ten thousand and rounding populations to the nearest million.

Estimating on a 0 to 10000 number line and making approximate answers to calculations.

Rounding 7-digit numbers to the nearest million.

Estimating tiles, flowers and stones.

Practice rounding 7-digit numbers to the nearest 10,000

Mini investigations involving amounts of time, large numbers and, not forgetting, blades of grass!

Estimating bricks, leaves and flowers.