Virginia SOL Math Vocabulary 5th grade
Terms in this set (66)
a number made up of a whole number and a fraction
fractions or decimals with the same value but different numbers
A whole number that has exactly two factors, 1 and itself.
A number with more than two factors
Numbers that can be divided equally by 2
Any number not evenly divisible by 2.
the answer when adding
the answer when subtracting
the answer when multiplying
the answer when dividing
how many more
phrase that signals subtraction
about how much
phrase that signals estimation
The number of square units needed to cover a given surface.
Area of a rectangle
LENGTH X WIDTH
Area of a triangle
1/2 length x width or 1/2 base x height
The distance around a figure
How much space an object takes up. L x W x H
1,000 meters (m) =
100 centimeters (cm) =
10 millimeters (mm) =
1,000 grams (g) =
1,000 liters (L) =
1,000 mililiters (ml) =
A line segment with both endpoints on the circle.
A chord that passes through the center of the circle.
2 radii =
A line segment with one endpoint at the center of a circle and the other endpoint on the circle
The distance around a circle. A circles perimeter.
1/2 the diameter =
about 3 diameters =
An angle that is less than 90 degrees
An angle that measures more than 90 degrees but less than 180 degrees
An angle that measures 90 degrees
An angle that measures 180 degrees.
A triangle with 3 acute angles.
A triangle with one right angle.
A triangle with one obtuse angle.
A triangle that has 3 congruent sides.
A triangle with no congruent sides.
A triangle with 2 congruent sides.
A tool used to measure angles
A parallelogram with 4 right angles. A square is also this type of quadrilateral.
A parallelogram with four congruent sides and four right angles.
A quadrilateral with two pairs of parallel sides.
A parallelogram with 4 congruent sides. A square is also this type of quadrilateral.
A quadrilateral with exactly one pair of parallel sides. A square is not this type of quadrilateral.
A diagram used to show the total number of possible outcomes
A fraction that describes how likely it is that an event will occur.
A graph that shows change over time.
Measures of Center
Mean, median, and mode are examples of this.
Is an average and measures Fair Share.
This 6 + 9 + 8 + 8 + 9 = 40
40 ÷ 5 = 8 shows?
Middle # when put in high to low order, or the average of the 2 middle #'s.
The number that occurs most often in a set of data
Biggest # - Smallest # shows variation
An equation that contains a variable.
A letter or symbol used to represent a number that is unknown.
A mathematical phrase that contains operations, numbers, and/or variables. No equal sign.
A mathematical sentence that contains an equals sign.
3(4 + 5) = 3 x 4 + 3 x 5
(3 x 4) + (3 x 5) = 3(4 +5)
Having the same size and shape.
a(b + c) = ab + ac
Explains how "to distribute" a common factor among the terms of an equation. Ex. 3 (A + B) = 3A + 3B
Changing the grouping of numbers will NOT change the value. For example: (7 + 4) + 8 = 7 + (4 + 8) also works with multiplication
can be multiplied in any order, moving stuff around x + y=y+x
order of operations
Order you follow to complete a number sentence. Paranthesis, Exponents, Multiplication, Division, Addition, Subtraction