Search Results For “odd numbers”

Tips and hints on using a calculator, including negative numbers and recurring decimals.

Binary trees are often used in science, but here we use them to sort numbers.

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

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

Estimating and then measuring to the nearest millimetre requires a great deal of accuracy.

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

More on converting fractions and mixed numbers to decimals.

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

Revision of adding several small numbers mentally, using strategies learned earlier.

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.

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

Start by subtracting 0.9 from numbers and then move on to adding or subtracting 1.9, 2.9 using the same technique.