Key terms & definitions

Describes trees that shed their leaves seasonally, usually in autumn in temperate climates.

A tree that loses its leaves seasonally, usually in autumn in the UK.

A tree that sheds its leaves seasonally, usually in autumn in the UK.

Trees that shed their leaves seasonally, such as oak trees.

An ecosystem dominated by trees that shed their leaves seasonally, usually in autumn in temperate regions.

One of ten groups formed by ordering a dataset and dividing it into approximately equal parts. IMD decile 1 contains England's most deprived tenth of neighbourhoods.

One of the nine dividing values that split ordered data into ten approximately equal parts. The $k$th decile is the $(10k)$th percentile.

A number written using place value and a decimal point, such as $4.27$ or $-0.6$.

The base-10 number system, using the digits 0–9.

A way of writing a number using place value, with a decimal point separating whole-number places from tenths, hundredths and smaller parts.

A way of writing a number using place value, with a decimal point separating whole-number places from tenths, hundredths and smaller places.

A way of writing numbers using place value, with a decimal point separating whole-number places from tenths, hundredths, thousandths and smaller places.

A way of writing numbers using place value, with a decimal point separating whole-number places from tenths, hundredths and smaller parts.

A place to the right of the decimal point. Decimal places are counted from the decimal point, not from the first non-zero digit.

A digit position to the right of the decimal point. Unlike significant figures, decimal places include leading zeros after the decimal point.

A digit position to the right of the decimal point. The number of decimal places tells you how many such positions are retained.

The number of digits written after the decimal point; this is not the same as the number of significant figures.

The number of digits written after the decimal point.

The number of places written to the right of a decimal point.

The number of digits written after the decimal point.

The number of digits written after the decimal point.

The point separating the units digit from the tenths digit in a decimal number.

A prefix indicating a power-of-ten multiple of a unit. For byte quantities, each step from kB to MB to GB to TB represents 1000 times as many bytes.

A systematic search using successively smaller decimal steps to narrow the interval containing a root.

A 10% income tax imposed on Royalists to fund the regional cavalry militias used by the Major-Generals.

Working out how an unfamiliar writing system represents language so that its texts can be read.

A judgement reached after comparing the available options, evidence, arguments and relevant circumstances.

A choice reached after considering available evidence, arguments, risks, benefits and relevant circumstances.

A flowchart step that tests a condition and selects a route according to whether the answer is Yes or No.

A person or body with the authority to make the change being requested.