1. Ricki Porter Dictionary from A-Z room107 5th grade
A- Algebraic expression is an expression that contains at least one variable EX: 3x + 8

2. B- Bar graph that uses vertical or horizontal bars to display data.
EX:

3. C- circumference is the distance around a circle.
EX:
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4. D- Divisible can be divided by a number without leaving a remainder.
ex: 18 IS DIVISIBLE BY 3.

5. E- Equation is a mathematical sentence that shows that two expressions are equivalent.
Ex: X + 4 = =

6. Ex: 7 is a factor of 21 since 7 x 3 = 21
F – factor is a number that is multiplied by another number to get a product.
Ex: 7 is a factor of 21 since x 3 = 21

7. G – Greatest common factor is the largest common factor of two or more given numbers.
Ex: the gfc of 27 and 45 is 9.

8. H – a hexagon is a six – sided polygon.

9. Ex: I – intersecting lines is lines that cross exactly one point.
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10. J – joule is a unit of energy.
Ex:

11. K – kilometer is a unit of length, the common measure of distance equal to 1000 meters, and equivalent to or 621 miles.
Ex:

12. L – linear equation is an equation whose solutions form a straight line on a coordinate plane.
ex: y=2x + 1

13. M & N Numerical expression
Multiplication property of zero
Numerical expression
The property that states that the product of any number and 0 is 0.
EX: 6x0=0
-5 x 0 = 0
An expression that contains only numbers and operations.
EX: [2 x 3] + 1

14. O & P
Obtuse angle is an angle whose measure is greater than 90◦ but less than 180◦.
EX:
Parallel lines is lines in a plane that do not intersect.
EX:
Lines

15. Q & R Quadrilateral is a four- sided polygon. EX:
Ratio is a comparison of two quantities by division.
EX: 12 to 25, 12:25 12/25.

16. S & T Scale is the ratio between two sets of measurements.
EX: 1 cm: 5 mi
Terminating decimal a decimal number that ends or terminates.
EX: 6.75

17. U & V
Unit rate is a rate in which the second quantity in the comparison is one unit.
EX: 10 cm per minute
Variable is a symbol used to represent a quantity that can change.
EX: In the expression 2x + 3, x is the variable.

18. W & X Width is how wide something is . EX:
X-axis is the horizontal axis on a coordinate plane.
EX:

19. Y & Z Y-axis is the vertical axis on a coordinate plane. EX:
Zero pair is a number and its opposite, which add to 0.
EX: 18 and -18