Writing Expressions with Visual Models

This lesson teaches how to write expressions to represent numerical situations using visual models. It explains the components of expressions and provides examples, such as doubling a number and adding another, multiplying sums, and using parentheses to ensure correct order of operations. The lesson emphasizes the difference between expressions and calculations, highlighting the importance of order and structure in expressions.

What is an expression in mathematical terms?

Evaluate responses using AI:

OFF

How do you represent the calculation 'double 5, then add 12' as an expression?

Evaluate responses using AI:

OFF

Explain why parentheses are necessary in the expression for 'multiply the sum of 5 and 1 by 2'.

Evaluate responses using AI:

OFF

What is the difference between the order of numbers in an expression and the order of numbers in a calculation?

Evaluate responses using AI:

OFF

Describe the steps to write the expression for 'subtract 3 from 11, then divide by 4'.

Evaluate responses using AI:

OFF