Integers

UNIT 1. INTEGERS 3.1. VOCABULARY OF THE UNIT INTEGER/WHOLE NUMBERS. • Sign: Signo • Zero: Cero. • Positive numbers: Números positivos. • Negative numbers: Números negativos. • Integer numbers: Números enteros. • Number line: Recta numérica. • Absolute... More

UNIT 1. INTEGERS 3.1. VOCABULARY OF THE UNIT INTEGER/WHOLE NUMBERS. • Sign: Signo • Zero: Cero. • Positive numbers: Números positivos. • Negative numbers: Números negativos. • Integer numbers: Números enteros. • Number line: Recta numérica. • Absolute value: Valor absoluto. • Symbol: Símbolo. • Opposite number: Número opuesto. ( ): brackets. [ ]: square brackets. How I can read some mathematical expressions. Examples: -3+4=1 Negative three plus four equals one +7 – 9 = -2 Positive seven minus nine equals minus two - 5 – 6 = -11 Negative five minus six equals minus eleven | -3 | =3 Absolute value of negative three equals three The opposite number of five equals minus five. 1 Less