Search Results For “adding and subtracting”

Questions all on the theme of measurement, including length, capacity and weight.

Find examples to back up general statements about numbers, shape etc.

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

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

Working with numbers to three decimal places; recognising tenths, hundredths and thousandths.

Using only the multiplication or division calculator keys change one decimal fraction to another.

Rounding decimals to the nearest whole one, including rounding to kilograms and kilometres.

Rounding decimals to the nearest tenth, including rounding metres and kilometres.

More on converting fractions and mixed numbers to decimals.

Interpreting pie charts.

Finding percentages of numbers and money. Word problems using percentages.

These are about as hard as you will get for mental arithmetic. Many children (and adults) will find them very tricky!