Forming Algebraic Expressions

Which algebraic expression represents

5 more than a

• a + 5

• a - 5

• 5a

•  $a^5$  

• a5

Answer explanation

In this case 'more than' means add

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Which algebraic expression represents

7 lots of a

• a + 7

• a - 7

• 7a

• $a^7$

• a7

Answer explanation

'lots of' means multiply.

Remember; we do not write the 'x' symbol when simplifying algebraic expressions.

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Which algebraic expression represents

8 less than g

• g + 8

• g - 8

• 8 - g

• 8g

• $\frac{8}{g}$

Answer explanation

Here 'less than' means subtract.




Note:

8 less than g is written as g - 8

g less than 8 is written as 8 - g

Tags

CCSS.7.EE.B.4

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Which algebraic expression represents

e squared?

• e + 2

• e - 2

• e2

• 2e

•  $e^2$  

Answer explanation

e squared means e x e

e x e can be written as  $e^2$  

Which algebraic expression represents

k shared between 3

• k + 3

• k - 3

• 3k

•  $\frac{k}{3}$  

•  $\frac{3}{k}$  

Answer explanation

k shared between 3

means

k divided by 3


In algebra we write a division as a fraction

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Which algebraic expression represents

h taken away from t

• h + t

• h - t

• t + h

• t - h

Answer explanation

h taken away from t is written as t - h

whereas

t taken away from h is written as h - t

Which algebraic expression represents

f multiplied by m

• f + m

• f - m

• fm

• f^m

Which algebraic expression represents

b multiplied by 3 and then add 5

• 3b + 5

• 5b + 3

• 8b

• 15b

Which algebraic expression represents

c add 8 and then multiplied by 3

• c + 8 x 3

• c + 24

• 8c + 3

• 3c + 24

• 3c + 8

Which algebraic expression represents

y subtract 12 then divided by 3

•  $\frac{y\ -\ 12}{3}$  

•  $\frac{y}{3}\ -\ 12$  

• y - 4

•  $\frac{12\ -\ y}{3}$