Expressions using Letter-Numbers Practice 2: Evaluating Expressions and Writing Algebraic Expressions

Concept Check

Question 1mcq

Which expression means: 3 more than 7 times a number

x

?

A.

7x+3

B.

7+3x

C.

7(x+3)

D.

7x-3

Question 2mcq

Which expression means: 4 more than 7 times a number

x

?

A.

7+4x

B.

7x+4

C.

7(x+4)

D.

7x-4

Question 3mcq

Which expression means: 5 more than 7 times a number

x

?

A.

7+5x

B.

7(x+5)

C.

7x+5

D.

7x-5

Question 4mcq

Which expression means: 3 more than 8 times a number

x

?

A.

8+3x

B.

8(x+3)

C.

8x+3

D.

8x-3

Question 5mcq

Which expression means: 4 more than 8 times a number

x

?

A.

8+4x

B.

8(x+4)

C.

8x-4

D.

8x+4

Question 6mcq

Which expression means: 5 more than 8 times a number

x

?

A.

8x+5

B.

8+5x

C.

8(x+5)

D.

8x-5

Apply and Solve

Question 7mcq

Find the value of

9x+3y

when

x=4

and

y=3

.

A.45

B.19

C.39

D.45 with a calculation error 3

Question 8mcq

Find the value of

9x+4y

when

x=5

and

y=3

.

A.21

B.57

C.49

D.47

Question 9mcq

Find the value of

9x+5y

when

x=6

and

y=3

.

A.23

B.59

C.69

D.57

Question 10mcq

Find the value of

10x+3y

when

x=4

and

y=4

.

A.21

B.43

C.52

D.52 with a calculation error 3

Question 11mcq

Find the value of

10x+4y

when

x=5

and

y=4

.

A.23

B.54

C.60

D.66

Question 12mcq

Find the value of

10x+5y

when

x=6

and

y=4

.

A.80

B.25

C.65

D.70