Numerical Expressions

Numerical Expressions

Things: fruits, money, pencils, books, etc

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Measurements: meters, seconds, grams, etc.

It shows quantities or measurments

Addition (+) Subtraction (-)

Multiplication (x) Division (÷)

It uses numbers and operations

It's a way to express situations using numbers

Multiple Choice

Which expression fits best this situation?

"John and his family gathered many fruits. They gathered 12 apples, 5 pears and 8 watermelons"

• 12-5-8

• 12+5+8

• 12+5-8

Multiple Choice

Which expression fits best this situation?

"Michael has to share all of his money equally between his 4 kids. He had $200 saved in the bank"

• 200 ÷ 8

• 200 - 8

• 200 x 8

Multiple Choice

Which expression fits best this situation?

"In the garden of my grandfather there were 50 plants of cassava. Yesterday, my cousin went and took away 15 plants for his own garden. Today, he came back with 7 plants for my grandfather"

• 50 + 15 - 7

• 50 + 15 + 7

• 50 - 15 + 7

Fill in the Blanks

When a situation says "plus", "add", "more", "earns", or "gains" it is implied that the numerical expression must include the operation of:

Fill in the Blanks

When a situation says "times", "double", "triple", or "quadruple" it is implied that the numerical expression must include the operation of:

Not all expressions must be evaluated. It depends on whether or not there is a question involving the situation.

Remember: Expressions aren't evaluated