24 Questions
What is the purpose of estimating answers to calculations?
To think about a problem before working it out
What is the function of the M+ key on a basic calculator?
Adds a number to the memory
What is the correct order of operations when performing calculations?
Brackets, Orders, Division and Multiplication, Addition and Subtraction
What is the result of multiplying a number by 100?
Shift each digit two places to the left
What is a proper fraction?
A fraction with a numerator smaller than the denominator
How do you add and subtract fractions?
Convert fractions to have a common denominator before performing the operation
What is the result of multiplying two fractions?
Multiply the numerators together and the denominators together
What is the purpose of the change sign key on a calculator?
To change the sign of a number
Which key on a basic calculator can be used to display the number stored in memory?
MRC
What is the purpose of breaking down and multiplying in calculations?
To make multiplication and addition easier
What happens when you multiply a number by 1000?
Each digit is shifted three places to the left
What type of fraction has a numerator larger than the denominator?
Improper Fraction
When dividing fractions, what operation is performed?
Multiplication by the reciprocal of the divisor
What is the purpose of grouping in multiplication and addition?
To make multiplication and addition easier
Which of the following is an example of a mixed number?
2 1/3
What is the result of multiplying a fraction by its reciprocal?
1
What is the primary purpose of using the memory functions on a basic calculator?
To store and recall intermediate calculations
When multiplying a number by 10, what happens to the digits of the original number?
Each digit is shifted one place to the left
What is the result of multiplying an improper fraction by its reciprocal?
1
When adding and subtracting fractions, what must be done to the denominators?
They must be converted to a common denominator
What is the purpose of using brackets in calculations?
To indicate the order of operations
What is the result of multiplying a number by -1 using the change sign key?
The number becomes negative
What is the primary advantage of breaking down and multiplying in calculations?
It reduces the complexity of the calculation
What is the result of dividing a fraction by its reciprocal?
1
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