Adding and Subtracting positive and negative numbers

Descrição

Maths (Number) Mapa Mental sobre Adding and Subtracting positive and negative numbers, criado por abbylebus em 12-05-2013.
abbylebus
Mapa Mental por abbylebus, atualizado more than 1 year ago
abbylebus
Criado por abbylebus mais de 11 anos atrás
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Resumo de Recurso

Adding and Subtracting positive and negative numbers
  1. Integers are whole numbers. They can be positive or negative. Positive numbers are above zero and negative numbers are below zero.
    1. Example:
      1. The temperature at 2am was -3. By 2pm it had risen 10 degrees. What was the new temperature? -3 + 10=7 degrees
      2. Adding a negative number is the same as subtracting a positive number. 6+-4 is the same as 6-4=2
        1. Subtracting a negative number is the same as adding a positive number. 6 - -5 becomes 6+5=11

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