Mathematics language crossword vocabulary pack

Teacher key

1. INTEGER · 7 letters · noun · intermediate
   A whole number, including its negative and zero forms

   Hint: It has no fractional part.
   Why it fits: INTEGER fits because the clue describes the set of whole numbers that includes negative values and zero but excludes fractional parts.

2. FRACTION · 8 letters · noun · introductory
   A number that names part of a whole

   Hint: It uses a numerator above a denominator.
   Why it fits: FRACTION fits because 3/4 names three equal parts out of four.

3. DECIMAL · 7 letters · noun · introductory
   A base-ten number written with a point

   Hint: Digits to the right of the point show smaller place values.
   Why it fits: DECIMAL fits because 0.25 expresses twenty-five hundredths.

4. PERCENT · 7 letters · noun · intermediate
   A rate stated for every one hundred

   Hint: The symbol for it looks like two small circles and a slash.
   Why it fits: PERCENT fits because the clue defines a rate out of one hundred, so 25 percent represents 25 parts for every 100.

5. RATIO · 5 letters · noun · intermediate
   A comparison of two quantities by division

   Hint: A colon or fraction bar can show this comparison.
   Why it fits: RATIO fits because 2:3 compares two amounts without requiring equal units.

6. PROPORTION · 10 letters · noun · advanced
   An equation stating that two ratios are equal

   Hint: Set two equivalent comparisons on opposite sides of an equals sign.
   Why it fits: PROPORTION fits because 2/3 = 4/6 states the same comparison twice.

7. EQUATION · 8 letters · noun · intermediate
   A mathematical statement that two expressions are equal

   Hint: It uses an equals sign to assert balance.
   Why it fits: EQUATION fits because both sides of 3+2=5 represent the same amount.

8. EXPONENT · 8 letters · noun · advanced
   A small number showing repeated multiplication

   Hint: It is often written above and to the right of a base.
   Why it fits: EXPONENT fits because 2 to the third power means three factors of 2.

9. COEFFICIENT · 11 letters · noun · intermediate
   A number multiplying a variable in an algebraic term

   Hint: In 4x, this number stands beside the letter.
   Why it fits: COEFFICIENT fits because 4 is the coefficient of x in 4x.

10. COORDINATE · 10 letters · noun · intermediate
    A number or ordered pair locating a point

    Hint: Use it to tell where a point sits on a grid.
    Why it fits: COORDINATE fits because (2,4) specifies horizontal and vertical position.

11. FUNCTION · 8 letters · noun · advanced
    A rule assigning exactly one output to each input

    Hint: Each input must have one determined partner.
    Why it fits: FUNCTION fits because the rule can be shown by a table, graph, or formula.

12. ANGLE · 5 letters · noun · introductory
    A figure formed by two rays sharing an endpoint

    Hint: The shared point is called its vertex.
    Why it fits: ANGLE fits because the rays create an opening measured in degrees.

13. PERIMETER · 9 letters · noun · intermediate
    The total distance around a two-dimensional figure

    Hint: Add the lengths of every outside edge.
    Why it fits: PERIMETER fits because walking around a rectangle traces its boundary length.

14. AREA · 4 letters · noun · intermediate
    The amount of surface inside a plane figure

    Hint: It is measured in square units, not ordinary units.
    Why it fits: AREA fits because a rectangle's length times width counts its square units.

15. VOLUME · 6 letters · noun · intermediate
    The amount of three-dimensional space an object occupies

    Hint: Cubic units measure this property.
    Why it fits: VOLUME fits because a box's length times width times height gives cubic units.

16. MEAN · 4 letters · noun · intermediate
    The average found by adding values and dividing by their count

    Hint: Total the data, then share it equally among the entries.
    Why it fits: MEAN fits because it describes the equal-share center of a data set.

17. MEDIAN · 6 letters · noun · intermediate
    The middle value when ordered data are arranged

    Hint: Put the values in order before selecting the center.
    Why it fits: MEDIAN fits because it marks the central position and resists extreme values.

18. MODE · 4 letters · noun · introductory
    The value appearing most often in a data set

    Hint: Count repetitions to find this commonest value.
    Why it fits: MODE fits because it identifies the value with the most occurrences.

19. PROBABILITY · 11 letters · noun · advanced
    A measure of how likely an event is

    Hint: It ranges from impossible to certain.
    Why it fits: PROBABILITY fits because favorable outcomes compared with all outcomes quantify chance.

20. INEQUALITY · 10 letters · noun · advanced
    A statement comparing values that need not be equal

    Hint: Its symbols include less than and greater than.
    Why it fits: INEQUALITY fits because x greater than 2 describes a range of possible values.

Accept a different answer only when it matches the clue, length, grammar, and any supplied crossings. Use the reviewed answer when teaching the intended vocabulary target.