Search Results For “multiplying by 10 and 100 word problems”

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.

Adding two 3-digit numbers mentally. Often it is best to start with the hundreds, then the tens and finally the units; this is the opposite order than when using written methods.

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

Further practice with mental addition using a variety of strategies to answer them quickly and correctly.

Tricky sums, these. Think about the digits in the tenths and hundredths columns when working out these addition of decimals questions.