Pre-algebra - Lessons 1.2, 1.3, 1.4

Question 1

An expression that contains at least one variable and at least one mathematical operation.

Accepted Answer

algebraic expession

Question 2

A numerical expression for 10 marbles plus four more.

Accepted Answer

10 + 4

Question 3

Simplify this expression: 5 x 7 x g

Accepted Answer

35g

Question 4

Which answer shows the Associative Property of Multiplication?

Accepted Answer

(4 x 3) x 7 = 4 x ( 3 x7 )

Question 5

What kind of expression contains a combination of numbers and operations?

Accepted Answer

numerical

Question 6

Evaluate this expression: 6 x 2 + 4.

Accepted Answer

16

Question 7

Which answer shows the Commutative Property of Addition?

Accepted Answer

7 + 3 = 3 +7

Question 8

Evaluate x + 7, when x = 2.

Accepted Answer

9

Question 9

Write a numerical expression for: the sum of ten and twelve

Accepted Answer

10 + 12

Question 10

Solve: 11 x 3 x 0

Accepted Answer

0

Question 11

A letter or symbol used to represent an unknown value.

Accepted Answer

variable

Question 12

When you replace a variable with a number, what property is it?

Accepted Answer

Substitution Property

Question 13

x + 0 = x is an example of what property?

Accepted Answer

Additive Identity

Question 14

Translate into an algebraic expression: two dollars more than the cost of a soda

Accepted Answer

s + 2

Question 15

Another name for when you find the numerical value of an expression.

Accepted Answer

evaluate

Question 16

Statements that are true for any numbers are called:

Accepted Answer

properties

Question 17

Evaluate 3x + 5, when x = 2

Accepted Answer

11

Question 18

8 x 1 = 8 is an example of what property?

Accepted Answer

Multiplicative Identity

Question 19

Rules to follow when evaluating an expression.

Accepted Answer

Order of Operations

Question 20

Simplify this expression: 9 + ( 5 + y )

Accepted Answer

14 + y

Questions 20