Evaluate Expressions
Evaluate the expression for x = 3.
5x + 2
17
9 more than a number p
p + 9
8 + 56 + 2 = 8 + ___ + 56
2
Evaluate the expression
2(3) + 12 ➗ 4
2(3) + 12 ➗ 4
6 + 12 ➗ 4
6 + 3
9
Connor has 7 more marbles than Maria. Write an expression to represent the amount of marbles Connor has if Maria has ‘m’ marbles.
m + 7
Evaluate the expression for x = 4.
5x - 6
14
the quotient of a number, m, and 3
m/3
Find the missing number.
18 + (46 + 12) = (18 + ____) + 46
12
9 + 3 x 5 - 4
9 + 3 x 5 - 4
9 + 15 - 4
24 - 4
20
Mr. Clark splits 96 pencils among his students. Write an expression to represent the number of pencils each student gets if Mr. Clark has ‘s’ students.
96/s
Evaluate the expression for x = 7.
(105/x)+3
18
10 less than the product of a number, g, and 4
4g - 10
Name the property shown below.
ab = ba
commutative property
Evaluate the expression
2(6^2 - 4)
2(6^2 - 4)
2(36 - 4)
2(32)
64
Samantha bought soft pretzels for $3 each for each of her friends (she did not buy one for herself). She gave the cashier a $5 tip. Write an expression to show how much money Samantha spent if she has “f” friends.
3f + 5
Evaluate the expression for x = 5.
2x^2+7
57
8 times the sum of a number, k, and 12
8(k+12)
Name the property shown below:
3(x + 8) = 3x + 24
Distributive Property
Evaluate the expression
5^2 + 8 x 3 ➗ 6
5^2 + 8 x 3 ➗ 6
25 + 8 x 3 ➗ 6
25 + 24 ➗ 6
25 + 4
29
At the local bookstore, books with a yellow sticker cost $0.50 less than twice the books with the red sticker. Write an expression to represent the cost of a yellow sticker book if the red sticker books cost ‘r’ dollars.
2r - 0.50
Evaluate the expression for x = 8.
x^3-11
501
15 less than twice a number, b, squared
2b^2-15
Use the properties to simplify the expression:
5(x - 7) + 8x
5x - 35 + 8x
13x -35
Evaluate the expression
7 + (3^3 - 6) ➗ 3
7 + (3^3 - 6) ➗ 3
7 + (27 - 6) ➗ 3
7 + 21 ➗ 3
7 + 7
14
A hiking group wants to buy some hiking boots and some pairs of socks. The boots cost $65, and the socks cost $7 per pair. Write an expression to represent the cost of ‘b’ boots and ‘s’ socks.
65b + 7s