# Study the word list: Key Stage 3: Mathematics: add - dig

Spellzone list addition The process of totalling figures is called addition. adjacent If a pair of angles are adjacent, they are formed on the same side of a straight line when intersected by another line. alternate Write down the alternate numbers. angle Is it an acute or obtuse angle? amount He amount owing is negligible. approximately The exam will take approximately two hours to finish. average The teacher calculated the average test score for the class. calculate Calculate 2+2. centimetre One hundred centimetres make a metre. circumference The circumference of the circle was large. corresponding Find the corresponding angle. coordinate Find the missing coordinate. decimal The decimal numeral system has ten as its base. degree A right angle is 90 degrees. denominator Find the lowest denominator. diameter Diameter is a line from one side of a circle to the other, passing through the centre. digit A digit is any of the numbers 0 to 9.

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