Download 5th Grade Math Vocabulary - Read. Graduate. Succeed.

Advanced STAR 5th Grade
Math Vocabulary Words and Definitions
_________________________________________
Name
Instructions: Introduce the word to the student. Review its definition. Work on about 3 words
(one page) per week. Repeat as needed.
Fill in the blanks of the sheet of paper.
1. Write the word
2. Write the definition of the word
3. Draw a picture or diagram using the word
4. Write a sentence using the word
5. You may use these words as spelling words if you choose
Record the words the student has mastered (Comments/Mastery)
Example:
Word: Variable
Write:
Variable
Definition: A symbol for a number we don’t
know yet, usually a letter.
Write A symbol for a number we
don’t know yet, usually a letter.
Sentence: The variable for the
unknown number is “S”.
Draw a picture of the meaning of the word.
2+n=5
Comments/Mastery: Child understands
this word/ remembers it well.
5th Grade
Math Basic Vocabulary
Word: Variable
Write:
Page 1
Draw a picture of the meaning of the word.
Definition: A symbol for a number we don’t
know yet, usually a letter. 2 + n = 5
Write:
Sentence
Comments/Mastery:
Word: Inequality
Write:
Draw a picture of the meaning of the word.
Definition: Math statement showing that two
things are not equal.
6 8 or 2+3 = 4=3
Write:
Sentence:
Comments/Mastery:
Word: Expression
Write:
Definition: Numbers, symbols, and operators
(+, -, x, - ) grouped together to show the
value of something. 2+3 is an expression.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Basic Vocabulary
Word: Equation
Write:
Page 2
Draw a picture of the meaning of the word.
Definition: Math statement showing that two
things are equal. 2+5=7 or 2+5= 3+4
Write:
Sentence
Comments/Mastery:
Word: Integer
Write:
Draw a picture of the meaning of the word.
Definition: A number with no fractional part;
a whole number. Can be negative or positive
Write:
Sentence:
Comments/Mastery:
Word: Ray
Write:
Definition: A line with a start point but no
end. ( it goes on forever)
Write
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Functions Vocabulary
Word: Associative property of addition
Write:
Definition: In an equation it does not matter
in which order you add the numbers together. Remember always to do the
parenthesis first.
Write:
Page 3
Draw a picture of the meaning of the word.
If your equation is 2+6+5 =
(2+6) +5 = 13 2+(6+5)=13
8+5 = 13
2 + 11= 13
Sentence
Comments/Mastery:
Word:Associative property of multiplication Draw a picture of the meaning of the word.
Write:
If the equation is 2x3x4=
(2x3) x4 =
2x(3x4) =24
6x4 = 24
2x12 = 24
Definition: In an equation it does not matter
in which order you multiply the number together. Remember always to do the
parenthesis first.
Write:
Sentence:
Comments/Mastery:
Word: Commutative property of addition
Write:
Definition: When you are adding a series of
numbers it does not matter what order the
numbers are in.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
2+3+5 = 10 2+5+3 = 10 3+2+5 = 10
3+5+2 = 10 5+2+3 = 10 5+3+2 = 10
5th Grade
Math Functions Vocabulary
Word: Commutative property of
multiplication.
Write:
Page 4
Draw a picture of the meaning of the word.
2x3x5 = 30 2x5x3 =30 3x2x5 = 30
3x5x2 = 30 5x2x3 = 30
Definition: When you are multiplying a series of
numbers it does not matter what order the numbers
are in.
Write:
Sentence
Comments/Mastery:
Word: Distributive property
Write:
Draw a picture of the meaning of the word.
2(3+4) = (2x3)+(2x4)
2x7=14
6+8 = 14
Definition: In math you always do what is in the
parenthesis first. If you cannot do the parenthesis
first [2(3+n)], you can distribute the number outside the
parenthesis to the numbers inside to eliminate the
parenthesis. Let’s replace the n with a 4 so it will make
sense. …
Write:
Sentence:
Comments/Mastery:
Word: Prime number
Write:
Definition: A number that only has two factors
(numbers we multiply together to get an answer), 1 and
itself.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
2,3,5,7,11,13,17,19,23,29
5th
Grade
Math Functions Vocabulary
Word: Composite
Write:
Page 5
Draw a picture of the meaning of the word.
8 is composite because it has several
factors: 1,2,4,8
Definition: A number that has more than two
factors (numbers we multiply together to
get an answer.
Write:
Sentence
Comments/Mastery:
Word: Exponent
Write:
Draw a picture of the meaning of the word.
Definition: A small number written to the
right and above another number. It tells you
how many times to multiply that number by
itself. 43 = 4x4x4
Write:
Sentence:
Comments/Mastery:
Word: Fraction
Write:
Definition: Part of a whole, like a percent or
decimal, but written as numbers on top of one
another. ½ ¾
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Functions Vocabulary
Word: Numerator
Write:
Page 6
Draw a picture of the meaning of the word.
Definition: The top number in a fraction.
In ¾, 3 is the numerator
Write:
Sentence
Comments/Mastery:
Word: Denominator
Write:
Draw a picture of the meaning of the word.
Definition: The bottom number in a fraction.
In ¾, 4 is the denominator
Write:
Sentence:
Comments/Mastery:
Word: Common denominator
Write:
Definition: When two or more fractions have
the same denominator. 1/3 2/3
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Functions Vocabulary
Word: Decimal
Write:
Page 7
Draw a picture of the meaning of the word.
1.5 = ½
.75 = ¾
Definition: Part of a whole, like a fraction or
percent, but written as a number after a dot.
Write:
Sentence
Comments/Mastery:
Word: Percent
Write:
Draw a picture of the meaning of the word.
Half = 50% Quarter or fourth = 25%
Definition: Part of a whole, like a fraction or
decimal, but written with a % sign.
Write:
Sentence:
Comments/Mastery:
Word: Divisible
Write:
Definition: When a number can be divided by
another number and the result is an exact
whole number.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
20 is divisible by 5 (20 – 5 = 4).
20 is not divisible by 3 (20 – 3 = 6.666666)
5th Grade
Math Functions Vocabulary
Word: Equivalent fractions
Write:
Page 8
Draw a picture of the meaning of the word.
4/8 = 1/2
Definition: Fractions which have the same
value even though they look different.
Write:
Sentence
Comments/Mastery:
Word: Integer
Write:
Draw a picture of the meaning of the word.
Definition: A number with no fractional part;
a whole number. Can be negative or positive.
Write:
Sentence:
Comments/Mastery:
Word: Dividend
Write:
Definition: The amount you want to divide up.
12 – 4 = 3 12 is the dividend
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Functions Vocabulary
Word: Quotient
Write:
Page 9
Draw a picture of the meaning of the word.
Definition: The answer in a division problem.
12 – 4 = 3
3 is the quotient
Write:
Sentence
Comments/Mastery:
Word: Divisor:
Write:
Draw a picture of the meaning of the word.
Definition: The number you divide by.
12 – 4 = 3 4 is the divisor
Write:
Sentence:
Comments/Mastery:
Word: Factor
Write:
Definition: A number we multiply to get an
Answer. In 5x6=30 the factors are 5 and 6.
Or all the numbers and their pairs that can
be multiplied to get an answer.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
30 = 1/30, 2x15, 3x10, 5x6 1,30,2,15,3,10,
5,6 are all factors of 30.
5th Grade
Math Data Vocabulary
Word: Data
Write:
Page 10
Draw a picture of the meaning of the word.
Definition: A collections of facts
Write:
Sentence
Comments/Mastery:
Word: Minimum value
Write:
Draw a picture of the meaning of the word.
Definition: The smallest value in a set.
5, 7,3,12 The minimum value is 3.
Write:
Sentence:
Comments/Mastery:
Word: Maximum value
Write:
Definition: The largest value in a set.
5, 12, 7, 3 12 is the maximum value.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Data Vocabulary
Word: Mean
Write:
Page 11
Draw a picture of the meaning of the word.
3, 6, 18,13 Add them = 40 Divide by the
4 numbers to = 10 Mean is 10
Definition: The average of a set of numbers.
Add them all up, then divide by how many
numbers there are.
Write:
Sentence
Comments/Mastery:
Word: Median
Write:
Draw a picture of the meaning of the word.
1,6,8,9,12 The median is 8
Definition: The middle number in a set of
numbers. First put the numbers in order,
then find the one in the middle.
Write:
Sentence:
Comments/Mastery:
Word: Mode
Write:
Definition: The number that appears the
most often in a set of numbers.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
2,5,8,5,4,6,5,4 Mode is 5
5th Grade
Math Data Vocabulary
Word: Average
Write:
Page 12
Draw a picture of the meaning of the word.
Definition: The calculated central value of a set of
numbers. Add them up, then divide by how many numbers
there are. 2,7,9 Add them together to make 18.. Divide
by 3 to equal 6 Average is 6
Write:
Sentence
Comments/Mastery:
Word: Range
Write:
Draw a picture of the meaning of the word.
Definition: The difference between the highest and lowest
number in a set. Subtract the lowest number from the
highest 5,8,9,14 Subtract 14-5=9 Range is nine.
Write:
Sentence:
Comments/Mastery:
Word: Outlier (out-lie-er)
Write:
Definition: A value that is much smaller or
much larger than most of the other values
in a set. 3,25,27,29,32,33,85 3 and 85 are
outliers.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Measuring Vocabulary
Word: Area
Write:
Page 13
Draw a picture of the meaning of the word.
Definition: The amount of space inside the
boundary of a flat surface.
Write:
Sentence
Comments/Mastery:
Word: Volume
Write:
Draw a picture of the meaning of the word.
Definition: The amount of space inside a 3
dimensional object.
Write:
Sentence:
Comments/Mastery:
Word: Surface area
Write:
Definition: The total area of the surface of a 3
dimensional object. The surface area of a
cube is the area of each side added together.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Shape Vocabulary
Word: Parallel
Write:
Page 14
Draw a picture of the meaning of the word.
Definition: Two lines that are the same
distance apart for their entire length.
Write:
Sentence
Comments/Mastery:
Word: Perpendicular
Write:
Draw a picture of the meaning of the word.
Definition: Two lines that interest at a 90
degree angle.
Write:
Sentence:
Comments/Mastery:
Word: Vertex (plural vertices)
Write:
Definition: A point where two or more
straight lines meet; a corner.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Shape Vocabulary
Word: Ray
Write:
Page 15
Draw a picture of the meaning of the word.
Definition: A line with a start point but no
end ( it goes on forever).
Write:
Sentence
Comments/Mastery:
Word: Polygon
Write:
Definition: A two dimensional (flat) shape
with straight sides. Triangle, square,
pentagon, etc.
Write:
Draw a picture of the meaning of the word.
Sentence:
Comments/Mastery:
Word: Pyramid
Write:
Definition: A 3 dimensional object where the
base is a polygon and the sides are triangles
that meet at the top (apex)
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.
5th Grade
Math Shape Vocabulary
Word: Prism
Write:
Page 16
Draw a picture of the meaning of the word.
Definition: A 3 dimensional object that has
two identical ends and all flat sides.
Write:
Sentence
Comments/Mastery:
Word: Quadrilateral
Write:
Draw a picture of the meaning of the word.
Definition: Four sided figure such as a square
or rectangle, also rhombus, parallelogram,
trapezoid.
Write:
Sentence:
Comments/Mastery:
Word: line segment
Write:
Definition: A line that has 2 end points. It
contains these endpoints of the line between
and you can measure the length of segments.
Write:
Sentence:
Comments/Mastery:
Draw a picture of the meaning of the word.