# 2.2 Constructing expressions

WALT
9Ae.03 Represent a situation either in words or as an algebraic expression, and move between the two representations (including squares, cubes and roots).
1 / 17
Slide 1: Tekstslide
MathematicsSecondary Education

In deze les zitten 17 slides, met interactieve quizzen en tekstslides.

Lesduur is: 50 min

## Onderdelen in deze les

WALT
9Ae.03 Represent a situation either in words or as an algebraic expression, and move between the two representations (including squares, cubes and roots).

#### Slide 3 -Open vraag

Kara thinks of a number, n.  Match the correct expression for the number Kara gets when she:
multiplies the number by five, then subtracts five
divides the number by five, then adds five
adds five to the number, then multiplies by five
subtracts five from the number, then divides by five
subtracts the number from five

#### Slide 4 -Sleepvraag

multiplies the number by 7
Write an expression, in terms of x,

#### Slide 5 -Open vraag

subtracts the number from 20
Write an expression, in terms of x,

#### Slide 6 -Open vraag

multiplies the number by 2, then adds 9
Write an expression, in terms of x,

#### Slide 7 -Open vraag

divides the number by 6, then subtracts 4
Write an expression, in terms of x,

#### Slide 8 -Open vraag

multiplies the number by itself
Write an expression, in terms of x,

#### Slide 9 -Open vraag

divides 100 by the number
Write an expression, in terms of x,

#### Slide 10 -Open vraag

subtracts 7 from the number, then multiplies the result by 5
Write an expression, in terms of x,

#### Slide 11 -Open vraag

square roots the number
Write an expression, in terms of x,

#### Slide 12 -Open vraag

cubes the number
Write an expression, in terms of x,

#### Slide 13 -Open vraag

cube roots the number
Write an expression, in terms of x,

#### Slide 14 -Open vraag

multiplies the number by 3, squares the result, then adds 7
Write an expression, in terms of x,

#### Slide 15 -Open vraag

multiplies the number by 2, cubes the result, then subtracts 100
Write an expression, in terms of x,

#### Slide 16 -Open vraag

Write down an algebraic expression.
I think of a number m,
I divide by 8,
then I cube,
then I subtract 7.
I think of a number x,
I subtract 8 from the number,
then I square,