Duplicate of Math 7 Lessons 1.2, 1.3, 1.4

Question 1

Simplify this expression: 5 x 7 x g

Accepted Answer

35g

Question 2

Simplify this expression: 9 + ( 5 + y )

Accepted Answer

14 + y

Question 3

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

Accepted Answer

10 + 12

Question 4

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

Accepted Answer

Additive Identity

Question 5

Solve: 11 x 3 x 0

Accepted Answer

0

Question 6

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

Accepted Answer

s + 2

Question 7

Evaluate this expression: 6 x 2 + 4.

Accepted Answer

16

Question 8

Which answer shows the Commutative Property of Addition?

Accepted Answer

7 + 3 = 3 +7

Question 9

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

Accepted Answer

algebraic expession

Question 10

Evaluate 3x + 5, when x = 2

Accepted Answer

11

Question 11

Evaluate x + 7, when x = 2.

Accepted Answer

9

Question 12

A letter or symbol used to represent an unknown value.

Accepted Answer

variable

Question 13

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

Accepted Answer

Substitution Property

Question 14

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

Accepted Answer

Multiplicative Identity

Question 15

Rules to follow when evaluating an expression.

Accepted Answer

Order of Operations

Question 16

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

Accepted Answer

evaluate

Question 17

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

Accepted Answer

numerical

Question 18

A numerical expression for 10 marbles plus four more.

Accepted Answer

10 + 4

Question 19

Statements that are true for any numbers are called:

Accepted Answer

properties

Question 20

Which answer shows the Associative Property of Multiplication?

Accepted Answer

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

Questions 20