Exploring Numerical Expressions with Visual Models

What is the final result of an addition operation called?

• Difference

• Product

• Sum

• Quotient

Which operation should be performed first according to PEMDAS?

• Subtraction

• Addition

• Parentheses

• Multiplication

In the expression '3 times the sum of 26 and 4', what should be calculated first?

• 3 plus 26

• 26 plus 4

• 3 times 26

• 3 times 4

How would you represent '6 times the difference between 60 and 51' using parentheses?

• (6 - 60) * 51

• (6 * 60) - 51

• 6 * 60 - 51

• 6 * (60 - 51)

What is the result of '6 times the difference between 60 and 51'?

• 9

• 51

• 54

• 60

When adding two twelves and four threes, what is the final sum?

• 36

• 30

• 40

• 24

In the expression '16 plus 9 times 4', what should be calculated first?

• 9 times 4

• 16 plus 9

• 16 times 4

• 16 plus 4

How would you express 'the product of 20 and 3 plus the product of 5 and 3'?

• 20 + 3 * 5 + 3

• 20 * (3 + 5) * 3

• (20 + 3) * (5 + 3)

• (20 * 3) + (5 * 3)

What is the result of 'the product of 20 and 3 plus the product of 5 and 3'?

• 60

• 75

• 45

• 90

What is the equivalent expression for 'the sum of 10 and 9 doubled'?

• (10 + 9) * 2

• (10 * 2) + 9

• 10 + (9 * 2)

• 10 + 9 + 2