Question | Answer |
Prime factorization | factors of a number that are all prime |
Prime numbers | numbers that only have one and itself as factors |
Factors | Numbers that divide into a whole number with no remainder |
GCF | greatest common factor |
Prism | A 3D solid with two congruent bases |
Reflection | mirror image of a figure |
Rotation | move around (like in “four square” game) |
Translation | slide (horizontally, vertically, or diagonally) |
Line of Symmetry | a line that divides a figure into two mirror images |
Congruent | shapes having the same size and same shape |
Pyramid | A 3D solid with a polygon as its base and triangular faces that meet at the top |
Circumference | the distance around a circle |
Diameter | the distance across the middle of the circle |
Radius | Half the diameter |
Improper Fraction | a fraction with a numerator larger than the denominator. Simplify! |
Equation | A number sentence using an equal sign |
Acute angle | angle that is less than a right angle (less than 90 degrees) |
Obtuse angle | angle that is more than a right angle (greater than 90 degrees) |
Right angle | square angle (equal to 90 degrees) |
Perpendicular lines | lines that cross and form a right angle |
Parallel lines | lines that do not cross each other, they stay the same distance apart |
Whole numbers | 0, 1, 2, 3, 4, 5........ |
Average | The answer when numbers are added and then divided by the number of addends |
Sum | answer to addition |
Product | answer to multiplication |
Difference | answer to subtraction |
Quotient | answer to division |
Area | the number of square units needed to cover a surface. Length x Width = formula for a rectangle |
Polygon | any closed 2D figure with line segments as sides |
Solids | any 3D figure with a length, a width, and a height |
Composite Numbers | any number with more than 2 factors |
Numerator | the top number of a fraction |
Denominator | the bottom number of a fraction |
Equivalent | is equal to |
Tenths | first decimal place to the right |
Hundredths | second decimal place to the right |
Thousandths | third decimal place to the right |
Common factors | factors that are shared by two or more numbers |
Faces | a flat surface that serves as one side of a solid figure |
Vertices (vertex) | a point where edges meet |
Edges | line segments where 2 faces meet |
Ordered pairs | points (x,y) on a coordinate grid |
Perimeter | distance around a figure |
Volume | Length x Width x Height |
Probability | a way of describing how likely it is that a particular outcome will occur, written as a fraction |
Median | the middle value when all the data are listed from least to greatest |
Mode | the most frequent number in the data |
Range | Largest number minus smallest number in the data |