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+ - ± x 3 0. Essential vocabulary for maths. ÷ ∞ ≤ () 2. + - ± ÷ ∞ ≤ () …. You know what they mean – but do you know how to say them?. This mini-module presents common ways of saying twenty essential mathematical signs and symbols .
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+ - ± x30 Essential vocabulary for maths ÷ ∞ ≤ () 2
+ - ± ÷ ∞ ≤() … You know what they mean – but do you know how to say them? This mini-module presents common ways of saying twenty essential mathematical signs and symbols.
We look at 4 groups of symbols Operators + - x ÷ ± Equalities and inequalities = ≠ ≥ > ≤ < Miscellaneous 0 . () Powers If you think you already know how to say them go to slide 32 and check the summary
Operators + - x ÷ ± 3 + 8 three plus eight + a plus sign an addition sign
Operators +- x ÷ ± 7 - 2 seven minus two Alternatives: seven subtract two seven take away two - a minus sign a subtraction sign
Operators + - x ÷ ± 5 x 10 five times ten Alternative: five multiplied by ten x a multiplication sign a times sign
Operators + - x ÷ ± 3 ÷ 8 three divided by eight ÷ a division sign
Operators + - x ÷ ± 3 ± 8 three plus or minus eight ± a plus or minus sign
Question ± So how would you say ?
Question ± So how would you say ? Answer:minus or plus
Equalities and inequalities =≠ ≥ > ≤ < x= 8 x equals eight Alternative: x is equal to 8 = an equality sign an equals sign
Equalities and inequalities =≠ ≥ > ≤ < y ≠ 4x y not equal to four x Alternatives: y is not equal to four x y does not equal four x ≠ an inequality sign
Equalities and inequalities =≠ ≥ > ≤ < y 2.5 y approximately equals 2.5 Alternative: y is approximately equal to four x an approximate equality sign
Equalities and inequalities =≠ ≥ > ≤ < x ≥0 xgreater than or equal to zero Alternative: x is greater than or equal to zero ≥ an inequality sign a greater than or equal to sign
Equalities and inequalities =≠ ≥ > ≤ < x ≤0 x less than or equal to zero Alternative: x is less than or equal to zero ≤ an inequality sign a less than or equal to sign
Question So how would you say > ?
Question So how would you say > ? Answer: greater than
Question So how would you say > ? Answer: greater than and < ? > and < are strict inequality signs
Question So how would you say > ? Answer: greater than and < ? Answer: less than > and < are strict inequality signs
Miscellaneous 0. () 0 zero Alternatives: oh nought
Miscellaneous 0 . () 6.8 six point eight . a decimal point
Miscellaneous 0 . () ( ) brackets
Miscellaneous 0 . () roottwo the square root of four x plus two y a root sign a square root sign
Miscellaneous 0 . () infinity
Powers x squared
Powers x cubed
Powers x to the four Alternatives: x to the fourth x to the power four
Quiz Can you match the words to the symbols? approximately equals less than or equal to plus or minus not equal to greater than divided by equals minus times plus
Quiz Answers divided by greater than equals minus times approximately equals not equal to plus plus or minus less than or equal to
Quiz Can you match the words to the symbols? x to the four x squared point two brackets infinity root two x cubed zero
Quiz Answers point two x cubed zero root two x to the four x squared infinity brackets
Further reading Of course, there is much more … You can find more useful mathematical vocabulary in your Algebra course book: A2 Core for Edexcel: Page ix ( just before chapter 1)