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1 1. sum the answer when you add Ex: = is the sum 2. difference the answer when you subtract Ex: 17-9 = 8 difference 8 is the 3. the answer when you multiply Ex: 7 x 8 = is the 4. quotient the answer when you divide Ex: 54 9 = 6 quotient 6 is the 5. a number with one or more places to the right of a point 2.35 is a 6. tenth one out of ten equal parts of a whole 1/10, 0.1, or 10% hundredth thousandth one out of a hundred equal parts of a whole 1/100, 0.01, or 1% one out of a thousand equal parts of a whole 1/1000, 0.001, or 0.1% 9. factors numbers that are multiplied to give a 6 x 7 = 42 6 and 7 are factors 10. divisible A number is divisible by another number if there is no remainder after dividing 14 is divisible by is also divisible by divisor the number used to divide another number, the number of groups 48 6 = 8 6 is the divisor

2 12. dividend the number to be divided 63 9 = 7 63 is the dividend 13. remainder the number that is left after the division is complete 10 3 = 3 R repeating has a expansion that repeats the same digit, or block of digits, without end 10 3 = terminating has a expansion that terminates in 0 Both 0.6 and are terminating s. 16. irrational number number cannot be written as a terminating or repeating π = 22/7 = (Never ends or repeats) rational number integer fractions, s, integers, terminating and repeating s make up this kind of number 3/4, -2, 17, -6/7, 0 the set of positive whole numbers, their opposites, and , -2, -1, 0, 1, 2, 3, whole number counting number the set of numbers that consist of the number 0 and all of the natural numbers 0, 1, 2, 3, 4, 5, 6, 7, 8... the set of numbers that consist of all numbers used in counting 1, 2, 3, 4, 5, 6, 7, 8, opposite two numbers that are the same distance from 0 on a number line, but in opposite directions 14 and -14 are opposites

3 22. inequality a mathematical sentence that uses <, >,,, or 7 > less than or equal to or more than or equal to quadrant 26 coordinate plane 27 ordered pair the x- and y- axes divide the coordinate plane into four regions called quadrants is formed by a horizontal number line called the x-axis and a vertical number line called the y-axis identifies the location of a point in the coordinate plane. The x-coordinate shows a points position left or right of the y-axis. The y-coordinate shows a point's position up or down from the x- axis (x, y) (over right or left, up or down) 28 origin the point of intersection of the x- and y- axes on a coordinate plane (0,0) 29 numerator 30 denominator the top number of a fraction that tells the quantity being considered the bottom number of a fraction that tells the total amount being considered 9/10 9 is how many pieces are being considered 9/10 10 tells how many althogether or how many pieces altogether

4 31 fraction a number that can be written in the form a/b where a is a whole number and b is a positive whole number 5/7, -3/5 32 equivalent fraction fractions that name the same amount 1/3 = 3/9 = 2/6= 12/36 33 simpliest terms a fraction when the only common factor of the numerator and denominator are 1 2/3 yes! 4/6 No, 2 is a common factor 34 improper fractions a fraction in which the numerator is greater than or equal to the denominator 18/4 7/7 35 mixed number combines a whole number and a fraction 7 1/2 8 2/3 36 multiples 37 Greatest Common Factor (GCF) the of a number and any whole number, usually said in order The GCF of two or more whole numbers is the greatest number that is a factor of all the numbers 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48 8=1,2,4,8 12=1,2,3,4,6,12 GCF is 4 38 Least Common Multiple (LCM) 39 exponent The LCM of two or more numbers is the least multiple shared by all of the numbers a number that shows how many times a base is used as a factor 3= 3,6,9,12,15,18,21,24,27,30 8=8,16,24,32,40,48,56,64,72,8 0 LCM=24 4² 2 is the exponent, means 4 x 4 two times

5 40 base the repeated factor of a number written in exponential form 5³ 5 is the base, 5 x 5 x 5 41 increase something goes up in value, gets larger the temperature increases from 80 to 85 by 5 degrees 42 decrease something goes down in value, gets smaller the car's value went from \$12,000 to \$7,500 after two years

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