PACE - Grade 5 - Algebra - Chapter 13

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created 9 years ago by mcataldo
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Mathematics
Chapter 13
vocabulary and problems
updated 9 years ago by mcataldo
Grade levels:
5th grade, 6th grade
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1

equation

a mathematical sentence that includes an "=" sign

2

expression

a group of mathematical symbols that represents a number, or can represent a number if values are assigned to variables in the expression - there is no equals sign

3

inequality

A number sentence with >, <, ≤ , ≥ , ≠ signs

4

function table

a table for organizing input and output data

5

coordinate grid

a grid formed from two number lines intersecting at right angles at their zero points

6

origin

the location (0,0) on a coordinate grid

7

function machine

a device that uses a number called the input, performs one or more operations on it, and produces a result called the output

8

distributive property

For any number a, b, and c: a(b + c) = ab + ac. For example 6 x (3 + 5) = (6 x 3) + (6 x 5) = 18 + 30 + 48.
Distributive property is also used as follows: 8 x 47 = 8 x (40 + 7) = 8 x 40) + (8 x 7) = 320 + 56 = 376

9

Solve:

1/4n = 15

n = 60

10

Solve:

n - 13 = -4

n = 9

11

Solve:

12n = 96

n = 8

12

variable

a symbol, usually a letter, that represents a number