Interpreting Numerical Expressions Math Presentation in Light Blue Math Doodles

Numerical Expressions
Interpreting
reja:
I will be able to write and match simple numerical expressions.
Vocab:
Expression- a mathematical statement involving only numbers and one or more operation symbols
Key Words:
Addition
Subtraction
Multiplication
Division

• add
• altogether
• and
• both
• in all
• sum of
• total
• increase

• take away
• difference
• fewer
• gave away
• less
• how much more
• change
• decrease

• multiply
• each
• twice
• product
• in all
• double

• divide
• each
• quotient
• share equally
• goes into

Process:
Break apart the problem to determine which operation symbol is needed and pull out data for the expression.
Process:
Break apart the problem to determine which operation symbol is needed and pull out data for the expression.
Process:
Break apart the problem to determine which operation symbol is needed and pull out data for the expression.
Answers:

• 2 ( 5 + b )
• 12 - n
• 40 ÷ v

Word Problem
Rachel and her 3 friends each bough lemonade for 2 dollars. How many money was spent?
Write and expression to solve.
Examples:
65 + p
The sum of 65 and p
55 - a
a less than 55
Answer
( 1 + 3 ) x 2
Examples:
65 + p
The sum of 65 and p
55 - a
a less than 55
Answers:

• 2 ( 5 + b )
• 12 - n
• 40 ÷ v