Writing and Evaluating Expressions

LETS

1

3a-2 when a=7

3(7)-2 = 19

2

p/4  +3

when p = 24

p/4  +3 = 9

3

7(n+4) when n=8

7(8+4) = 84

4

30/b + 9

when b =6

30/6 + 9 = 14

5

(24/4 - c) * a

when     a=5 and c=1

(24/4 - 1) * 5 = 25

PLAY

1

Evaluate when p = 6. p + 9

What is 15?

2

Evaluate the expression for 31 - g when g is 3.

What is 28?

3

Evaluate the expression for 4w when w is 13.

What is 52?

4

Evaluate the expression 2rz - 9 when r is 2 and z is 5.

What is 11?

5

Evaluate the expression 3(x + 4) - w, when x is 3 and w is 8.

What is 13?

BINGO!

1

10 +5x Where x= 0

10

2

12x +21 Where x = 2

45

3

12x + 3y where x = 1 and y = 5

27

4

12x + 7y  where x= 1 y=3

33

5

2z - 2y

where z= 236 and y= 13

446