Page 209 - Mathematics

Glossary

Algebra: A branch of Mathematics that substitutes letters for
numbers. It deals with representing numbers through
variables.
Coefficient: A number that is written along with a variable or it is Tanzania Institute of Education
multiplied by the variable.
Constant: A value or number that never changes in an expression.

Decimal: A fraction of which its denominator is a multiple of 10,
100, 1 000, and so on.
Integer: A number with no fractional part (no decimals).
Natural numbers: Counting numbers starting with 1, 2, 3, 4, 5, . . .

Number line: A straight line marked with equal intervals, and labelled
with numbers.
Variable: A letter used to represent a numerical value that changes.

Whole numbers: All non-negative numbers including zero which are not
fractions and decimals.

Mathematics Form One

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Mathematics form 1.indd 203
Mathematics form 1.indd 203 25/10/2024 09:52:30