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Pre-Alg Vocab Ch 1 and 2
35
absolute value:The distance a number is from zero on the number line
coefficient:The number that multiplies the variable
constant:A term that does not vary; stays the same
counterexample:An example that proves a statement false
expression:A mathematical phrase that uses variables, numbers, and operation symbols
evaluate:Substitute the number for the variable and simplify
subtraction:Add the opposite
integers:Whole numbers and their opposites;...-2,-1,0,1,2,...
irrational:Numbers that do not stop and do not repeat; can't be written as a quotient
natural:The numbers 1,2,3,....
opposites:Numbers that are the same distance from zero but in opposite directions
rational:Numbers that can be written as a quotient
real:The rationals plus the irrationals
simplify:To make simple
term:A number, or a variable, or the product of a number and a variable(s)
variable:A letter that represents a number
whole:The numbers 0,1,2,3,...
prime:A number greater than 1 with exactly 2 factors
composite:A number greater than 1 with more than 2 factors
coordinateplane:a plane formed by two number lines that intersect
quadrants:four regions formed by the x axis and y axis on the coordinate plane
commutative:Name the property x + y = y + x
associative:Name the property (a + b) + c = a + (b + c)
identity:Name the property 8(1) = 8
identity:Name the property 5 + 0 = 5
distributive:Name the property 3(x - 5) = 3x - 15
multiplicationpropertyofzero: 4(0) = 0
distributive:-2(x + 5) = -2x-10
multiplicationpropofnegone:8(-1) = -8
liketerms:Have the same variable and the same exponent
equation:A mathematical sentence that has an equal sign
solution:The answer that makes the equation true
inverse:operations that undo one another
solve:isolate the variable
inequality:a mathematical sentence that uses <, ≤, > or ≥
xaxis:horizontal number line on the coordinate plane
yaxis:vertical number line on the coordinate plane
Pre-Alg Vocab Ch 1 and 2
Across:1. | A mathematical phrase that uses variables, numbers, and operation symbols | 5. | The numbers 1,2,3,.... | 8. | -2(x + 5) = -2x-10 | 9. | A term that does not vary; stays the same | 10. | Name the property 3(x - 5) = 3x - 15 | 13. | An example that proves a statement false | 15. | A number greater than 1 with more than 2 factors | 18. | Add the opposite |
| 19. | Name the property x + y = y + x | 20. | Numbers that can be written as a quotient | 25. | a plane formed by two number lines that intersect | 29. | operations that undo one another | 31. | The answer that makes the equation true | 32. | Name the property 5 + 0 = 5 | 33. | A number greater than 1 with exactly 2 factors | 34. | Name the property (a + b) + c = a + (b + c) |
| | Down:2. | A mathematical sentence that has an equal sign | 3. | a mathematical sentence that uses <, ≤, > or ≥ | 4. | The numbers 0,1,2,3,... | 6. | horizontal number line on the coordinate plane | 7. | four regions formed by the x axis and y axis on the coordinate plane | 9. | The number that multiplies the variable | 11. | Whole numbers and their opposites;...-2,-1,0,1,2,... | 12. | A number, or a variable, or the product of a number and a variable(s) | 14. | The rationals plus the irrationals | 16. | The distance a number is from zero on the number line |
| 17. | To make simple | 21. | Name the property 8(1) = 8 | 22. | isolate the variable | 23. | Numbers that do not stop and do not repeat; can't be written as a quotient | 24. | Numbers that are the same distance from zero but in opposite directions | 26. | vertical number line on the coordinate plane | 27. | Have the same variable and the same exponent | 28. | A letter that represents a number | 30. | Substitute the number for the variable and simplify |
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© 2015
PuzzleFast.com, Noncommercial Use Only
Pre-Alg Vocab Ch 1 and 2
Across:1. | A mathematical phrase that uses variables, numbers, and operation symbols | 5. | The numbers 1,2,3,.... | 8. | -2(x + 5) = -2x-10 | 9. | A term that does not vary; stays the same | 10. | Name the property 3(x - 5) = 3x - 15 | 13. | An example that proves a statement false | 15. | A number greater than 1 with more than 2 factors | 18. | Add the opposite |
| 19. | Name the property x + y = y + x | 20. | Numbers that can be written as a quotient | 25. | a plane formed by two number lines that intersect | 29. | operations that undo one another | 31. | The answer that makes the equation true | 32. | Name the property 5 + 0 = 5 | 33. | A number greater than 1 with exactly 2 factors | 34. | Name the property (a + b) + c = a + (b + c) |
| | Down:2. | A mathematical sentence that has an equal sign | 3. | a mathematical sentence that uses <, ≤, > or ≥ | 4. | The numbers 0,1,2,3,... | 6. | horizontal number line on the coordinate plane | 7. | four regions formed by the x axis and y axis on the coordinate plane | 9. | The number that multiplies the variable | 11. | Whole numbers and their opposites;...-2,-1,0,1,2,... | 12. | A number, or a variable, or the product of a number and a variable(s) | 14. | The rationals plus the irrationals | 16. | The distance a number is from zero on the number line |
| 17. | To make simple | 21. | Name the property 8(1) = 8 | 22. | isolate the variable | 23. | Numbers that do not stop and do not repeat; can't be written as a quotient | 24. | Numbers that are the same distance from zero but in opposite directions | 26. | vertical number line on the coordinate plane | 27. | Have the same variable and the same exponent | 28. | A letter that represents a number | 30. | Substitute the number for the variable and simplify |
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© 2015
PuzzleFast.com, Noncommercial Use Only