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8 Cards in this Set
- Front
- Back
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BIDMAS |
Carry out mathematical operations in the following order. B brackets I indices (powers and roots) D divisions M multiplications A additions S subtractions |
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Rounding - Decimal Places |
The decimal places of a number are the positions of the digits to the right of the decimal point. |
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Rounding - Significant Figures |
The first significant figure of a number is the first non-zero digit (from the left), the next significant figure is the next digit along (whether zero or not), and so on. |
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Negative Numbers - Adding |
Adding a negative number is the same as subtracting the corresponding positive number. |
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Negative Numbers - Subtracting |
Subtracting a negative number is the same as adding the corresponding positive number. |
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Negative Numbers - Multiplication/Division |
When two numbers are multiplied or divided: • if the signs are different, then the answer is negative • if the signs are the same, then the answer is positive. |
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Units of Measurement |
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Sum, Product, Difference, Quotient |
• The sum of two or more numbers is the result of adding them. • The product of two or more numbers is the result of multiplying them. • A difference of two numbers is the result of subtracting one from the other. • A quotient of two numbers is the result of dividing one by the other. |
