Gr 10 Math Lit: Ch 1.2 Operations

Play an AI-generated podcast conversation about this lesson

What is the purpose of estimating answers to calculations?

To think about a problem before working it out (correct)
To use a calculator
To perform complex mathematical operations
To get an exact answer

What is the function of the M+ key on a basic calculator?

Displays the number stored in memory
Adds a number to the memory (correct)
Divides a number by 2
Subtracts a number from the memory

What is the correct order of operations when performing calculations?

Multiplication, Division, Addition, Subtraction
Division, Multiplication, Addition, Subtraction
Brackets, Orders, Division and Multiplication, Addition and Subtraction (correct)
Addition, Subtraction, Multiplication, Division

What is the result of multiplying a number by 100?

Shift each digit two places to the left (C) Signup and view all the answers

What is a proper fraction?

A fraction with a numerator smaller than the denominator (D) Signup and view all the answers

How do you add and subtract fractions?

Convert fractions to have a common denominator before performing the operation (A) Signup and view all the answers

What is the result of multiplying two fractions?

Multiply the numerators together and the denominators together (C) Signup and view all the answers

What is the purpose of the change sign key on a calculator?

To change the sign of a number (A) Signup and view all the answers

Which key on a basic calculator can be used to display the number stored in memory?

MRC (B) Signup and view all the answers

What is the purpose of breaking down and multiplying in calculations?

To make multiplication and addition easier (B) Signup and view all the answers

What happens when you multiply a number by 1000?

Each digit is shifted three places to the left (C) Signup and view all the answers

What type of fraction has a numerator larger than the denominator?

Improper Fraction (D) Signup and view all the answers

When dividing fractions, what operation is performed?

Multiplication by the reciprocal of the divisor (B) Signup and view all the answers

What is the purpose of grouping in multiplication and addition?

To make multiplication and addition easier (C) Signup and view all the answers

Which of the following is an example of a mixed number?

2 1/3 (C) Signup and view all the answers

What is the result of multiplying a fraction by its reciprocal?

1 (B) Signup and view all the answers

What is the primary purpose of using the memory functions on a basic calculator?

To store and recall intermediate calculations (A) Signup and view all the answers

When multiplying a number by 10, what happens to the digits of the original number?

Each digit is shifted one place to the left (A) Signup and view all the answers

What is the result of multiplying an improper fraction by its reciprocal?

1 (A) Signup and view all the answers

When adding and subtracting fractions, what must be done to the denominators?

They must be converted to a common denominator (A) Signup and view all the answers

What is the purpose of using brackets in calculations?

To indicate the order of operations (C) Signup and view all the answers

What is the result of multiplying a number by -1 using the change sign key?

The number becomes negative (B) Signup and view all the answers

What is the primary advantage of breaking down and multiplying in calculations?

It reduces the complexity of the calculation (A) Signup and view all the answers

What is the result of dividing a fraction by its reciprocal?

1 (C) Signup and view all the answers