Multiplication Table Chart x 0 1 2 3 4 5 6 7 8 9 10 11 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 3 4 5 6 7 8 9 10 11 12 2 0 2 4 6 8 10 12 14 16 18 20 22 24 3 0 3 6 9 12 15 18 21 24 27 30 33 36 4 0 4 8 12 16 20 24 28 32 36 40 44 48 5 0 5 10 15 20 25 30 35 40 45 50 55 60 6 0 6 12 18 24 30 36 42 48 54 60 66 72 7 0 7 14 21 28 35 42 49 56 63 70 77 84 8 0 8 16 24 32 40 48 56 64 72 80 88 96 9 0 9 18 27 36 45 54 63 72 81 90 99 108 10 0 10 20 30 40 50 60 70 80 90 100 110 120 11 0 11 22 33 44 55 66 77 88 99 110 121 132 12 0 12 24 36 48 60 72 84 96 108 120 132 144 Math.ATube.com dedicated to helping parents help their kids in math. Together, we'll learn Together, we'll learn How to use this multiplication table example MathATube.com Pick a number from the top row (in bold), let’s choose 6. ) Pick another number, this time from the left column (also in bold), let’s choose 4. ) From 4, move right until you find the box that lines up with the 6 in the top row. That box has 24 in it, this is the answer since 6 x 4 = 24.Multiplication Table Practice Sheet x 0 1 2 3 4 5 6 7 8 9 10 11 12 0 1 2 3 4 5 6 7 8 9 10 11 12 MathATube.com dedicated to helping parents help their kids in math. MathATube.com................................................................................................................................................................................................................................................................................................................................................... MathATube.com MathATube.com Together we'll learn + 0 1 2 3 4 5 6 7 8 9 10 0 0 1 2 3 4 5 6 7 8 9 10 1 1 2 3 4 5 6 7 8 9 10 11 2 2 3 4 5 6 7 8 9 10 11 12 3 3 4 5 6 7 8 9 10 11 12 13 4 4 5 6 7 8 9 10 11 12 13 14 5 5 6 7 8 9 10 11 12 13 14 15 6 6 7 8 9 10 11 12 13 14 15 16 7 7 8 9 10 11 12 13 14 15 16 17 8 8 9 10 11 12 13 14 15 16 17 18 9 9 10 11 12 13 14 15 16 17 18 19 10 10 11 12 13 14 15 16 17 18 19 20 How to use this Addition Table: Pick a number from the top row (in bold), let's choose 3. ) Pick another number, this time from the left column (also in bold), let's choose 4. ) From 4, move right until you find the box that lines up with the 3 in the top row. That box has 7 in it, this is the answer 3 + 4 = 7. Addition Table2 x 1 = 2 2 x 2 = 4 2 x 3 = 6 2 x 4 = 8 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 2 x 10 = 20 2 x 11 = 22 2 x 12 = 24 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 3 x 10 = 30 3 x 11 = 33 3 x 12 = 36 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 4 x 10 = 40 4 x 11 = 44 4 x 12 = 48 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 5 x 10 = 50 5 x 11 = 55 5 x 12 = 60 2-12 Times Tables 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 7 x 10 = 70 7 x 11 = 77 7 x 12 = 84 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 8 x 10 = 80 8 x 11 = 88 8 x 12 = 96 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 9 x 6 = 54 9 x 7 = 63 9 x 8 = 72 9 x 9 = 81 9 x 10 = 90 9 x 11 = 99 9 x 12 = 108 10 x 1 = 10 10 x 2 = 20 10 x 3 = 30 10 x 4 = 40 10 x 5 = 50 10 x 6 = 60 10 x 7 = 70 10 x 8 = 80 10 x 9 = 90 10 x 10 = 100 10 x 11 = 110 10 x 12 = 120 11 x 1 = 11 11 x 2 = 22 11 x 3 = 33 11 x 4 = 44 11 x 5 = 55 11 x 6 = 66 11 x 7 = 77 11 x 8 = 88 11 x 9 = 99 11 x 10 = 110 11 x 11 = 121 11 x 12 = 132 12 x 1 = 12 12 x 2 = 24 12 x 3 = 36 12 x 4 = 48 12 x 5 = 60 12 x 6 = 72 12 x 7 = 84 12 x 8 = 96 12 x 9 = 108 12 x 10 = 120 12 x 11 = 132 12 x 12 = 144 Math A Tube is dedicated to helping parents help their kids in math. Together, we'll learn 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 6 x 10 = 60 6 x 11 = 66 6 x 12 = 72 MathATube.com MathATube.com......................................................................................................................................................................... MathATube.com Together we'll learn Sides and Name 3 Triangle 4 Quadrilateral 5 Pentagon 6 Hexagon 7 Heptagon 8 Octagon 9 Nonagon 10 Decagon 11 Undecagon or Hendecagon 12 Dodecagon Triskaidecagon TetrakaidecagonRegular Polygons 3-Triangle 4-Quadrilateral 5-Pentagon 6-Hexagon 7-Heptagon 8-Octagon 9-Nonagon 10-Decagon 11-Undecagon or Hendecagon 12-Dodecagon MathATube.com -Free Math Help For Parents And Their Kids......................................................................................................................................................................... MathATube.com Together we'll learn What is a Regular Polygon? MathATube.com -Free Math Help For Parents And Their Kids. Videos, Tables and Charts, Formulas, Worksheets, Glossary Definition of a Regular Polygon: A polygon in which all angles and sides are equal. Irregular Polygon? Definition: Any polygon that is not a regular polygon. A polygon whose sides are not all the same length or whose interior angles do not all have the same measure. The figure to the left is pentagon because it has five sides. But it is irregular because all the sides are not equal length. Example: Regular Polygon Example: Irregular Polygon Pentagon PentagonMathATube.com Fraction Decimal Percent MathATube.com -Free Math Help For Parents And Their Kidspositive, plus, add angle negative, minus, subtract perpendicular × times, multiply degree(s) ÷ divide triangle = is equal to is approximately equal to is not equal to is similar to < is less than is parallel to > is greater than infinity is less than or equal to pi, 3.14159 is greater than or equal to is congruent to ( ) Parentheses (grouping symbol) therefore [ ] Brackets (grouping symbol) square root { } Braces (grouping symbol) right angle | | Absolute Value Bars ! factorial is an element of the sum of is not an element of e numeric constant 2.71828 is a subset of line AB is not a subset segment AB the set of AB the length of the intersection ray AB Math Symbols Math A Tube (MathATube.com) is dedicated to helping parents help their kids in Math. Together, we'll learn MathATube.comMathATube.com MathATube.com Together we'll learn Roman Numerals -1 to 100 1 = I 2 = II 3 = III 4 = IV 5 = V 6 = VI 7 = VII 8 = VIII 9 = IX 10 = X 11 = XI 12 = XII 13 = XIII 14 = XIV 15 = XV 16 = XVI 17 = XLII 18 = XLIII 19 = XIX 20 = XX 21 = XXI 22 = XXII 23 = XXIII 24 = XXIV 25 = XXV 26 = XXVI 27 = XXVII 28 = XXVIII 29 = XXIX 30 = XXX 31 = XXXI 32 = XXXII 33 = XXXIII 34 = XXXIV 35 = XXXV 36 = XXXVI 37 = XXXVII 38 = XXXVIII 39 = XXXIX 40 = XL 41 = XLI 42 = XLII 43 = XLIII 44 = XLIV 45 = XLV 46 = XLVI 47 = XLVII 48 = XLVIII 49 = XLIX 50 = L 51 = LI 52 = LII 53 = LIII 54 = LIV 55 = LV 56 = LVI 57 = LVII 58 = LVIII 59 = LIX 60 = LX 61 = LXI 62 = LXII 63 = LXIII 64 = LXIV 65 = LXV 66 =LXVI 67 = LXVII 68 = LXVIII 69 = LXIX 70 = LXX 71 = LXXI 72 = LXXII 73 = LXXIII 74 = LXXIV 75 = LXXV 76 = LXXVI 77 = LXXVII 78 = LXXVIII 79 = LXXIX 80 = LXXX 81 = LXXXI 82 = LXXXII 83 = LXXXIII 84 = LXXXIV 85 = LXXXV 86 = LXXXVI 87 = LXXXVII 88 = LXXXVIII 89 = LXXXIX 90 = XC 91 = XCI 92 = XCII 93 = XCIII 94 = XCIV 95 = XCV 96 = XCVI 97 = XCVII 98 = XCVIII 99 = XCIX 100 = CMathATube.com Order Of Operations 1: Do operations in Parentheses and other grouping symbols first. If there are grouping symbols within other grouping symbols do the innermost one first. 2: Then Exponent 3: Then Multiplication or Division from left to right. 4: And then Addition or Subtraction from left to right A popular Acronym to Help you Remember the order of operations (Parenthesis), Exponents, Multiply and Divide, Add and Subtract) Math.ATube.com Together, we'll learn ( PEMDAS ) Please Excuse My Dear Aunt Sally The Math-A-Tube is dedicated to helping parents help their kids in math. Example: Simplify the expression by using the order of operations. (8 + 4 + 3)÷ 3 -2 Do the Parentheses first, then do the division, then add or subtract from left to right. Answer 3 Steps: The order of operations is a special rule in mathematics that tells us what operation we must do first. (15)÷ 3 -2 5 -2 = 3 MathATube.com Order Of Operations Examples The Math-A-Tube is dedicated to helping parents help their kids in math. 1. 18 ÷ 9 + 32 1. 11 2. 6 ÷ 2 +1·4 2. 7 3. 18 -23 + 3· 4 3. 22 4. (8 + 4 + 3)÷ 3 -2 4. 3 5. (8 + 4 + 5)÷(3 -2) 5. 17 6. 10 ÷ 5 -22 ÷ 2 6. 0 7. 40 + 24 ÷ 8 -3 +1 7. 41 8. (40 + 24)÷ 8 -(3 +1) 8. 4 9. (27 +18)÷ 9 -(3 +1) 9. 1 Simplify each expression by using the order of operations. Watch order of operations videos, go to mathatube.com/order-of-operations.htmlMathATube.com Mean, Median, Mode, and Range The mean The mean is the same as the average. Add up the series of numbers and divide by the number of numbers in the list. Example: Find the mean of 4, 6, 10, 4. Step 1: Add all the numbers = 24 Step 2: dividing 24 by the number of numbers in the list. 24÷4=6 the mean or average of 4, 6, 10, 4 is 6 The median The "median" is the "middle" value in the list of numbers. To find the median, your numbers have to be listed in numerical order,(from least to greatest) so you may have to rewrite your list first. Example : A student has gotten the following grades on his tests: 60, 70, 80, 90, and 100 The median grade is 80 The mode The "mode" is the value that occurs most often. If no number is repeated, then there is no mode for the list. Find the mode of 4,6,4 and 10 Example . First you list the numbers in order . 4, 4, 6, 10 Then you look to see which number repeats the most . 4 repeats twice, which means it's the mode is 4. The Range The range of a set of data(numbers) is the difference between the highest and lowest values in the set. Example: find the range of 4, 6, 4, 10 step-1 Arrange the numbers in order by size 4, 4, 6, 10 step-2 Subtract the smallest number from the largest number. 10-4 = 6 6 is the Range The Math-A-Tube is dedicated to helping parents help their kids in math.