8th Grade Math

8th Grade :

Grade-8 is about revising the basics like fractions, decimals and number-theory and then becoming expert in following topics:

a) Complete understanding of Algebra.
b) Geometry.
c) Statistics and Probability.

Algebra-I

Quadratic Equations
Inequalities
Polynomials

Quadratic

Matrices

Inequalities

Solid Geometry

Circles

Analytical Geometry

{"QuestionId":34453,"QuestionText":"The center of a circle is at the point (5, –2) and the point (–2, –1) lies on the circle. Find the radius of the circle using this information.","QuestionFormatJson":null,"CorrectAnswerFormat":null,"AnswerFormatType":null,"AnswerForamtJson":"{\"Type\":null,\"SubType\":null,\"CorrectAnswerFormat\":null,\"AnswerDisplayFormat\":[\"\"],\"AnswerType\":null}","FormatType":null,"OpExpression":null,"Operator":null,"Operand1":null,"Operand2":null,"selectedAnswer":null,"IsInactive":false,"isSelected":null,"CorrectAnswer":"5\\sqrt{2}","timeInMilliSeconds":null,"QuestionType":null,"VariableList":null,"WorksheetQuestionText":null,"AnswerOption":{"Opt1":null,"Opt2":null,"Opt3":null,"Opt4":null,"QuestionId":34453},"QuestionDetail":{"QuestionDetailId":0,"QuestionId":34453,"SubTopicId":4101,"SubTopic":{"SubTopicId":4101,"SubTopicDesc":"Distance between two points","Hint":null,"SubTopicDescSEO":null,"IsSEOUrlActive":true,"IsInactive":false,"IsCombinedSubTopic":null,"CombineSubTopicIdList":null,"TopicTopicId":"TGeoA","TopicTopicDesc":"Analytical Geometry","IsToolbar":false,"DisplayFormat":"{\"bgColor\":\"white\",\"IsQAtogether\":false,\"IsImage\":null,\"IsGraph\":null,\"IsTable\":null,\"ToolbarType\":{\"type\":\"simple\",\"ToolbarList\":[\"\"]}}","QuestionTextFormat":null,"WorksheetText":null,"IsSignInRequired":false,"IsPaidRequired":false,"DisplayFormatJson":{"bgColor":"white","IsQAtogether":false,"IsImage":null,"IsGraph":null,"IsTable":null,"ToolbarType":{"type":"simple"}},"MilliSeconds":0},"TopicDesc":null,"QuestionDiffLevel":null},"ImageData":null,"GraphData":"\r\n{\"type\":\"mathjs\", \"data\": [ {\"points\":[[5,-2],[-2,-1] ], \"fnType\": \"points\", \"graphType\": \"polyline\" }],\"xScale\":[-10, 10],\"color\":\"green\",\"fnType\":\"points\" ,\"showCoordinates\":true,\"showMidPtCoOrdinates\":false, \"showMidpoint\":false,\"CoOrdinateTexts\":[[\"5,-2\"],[\"-2,-1\"] ]}\r\n","TableData":null,"AnswerFormatJsonDto":{"Type":null,"SubType":null,"CorrectAnswerFormat":null,"AnswerDisplayFormat":[""],"AnswerType":null},"AssignWorksheetId":null,"MilliSeconds":0}

{"QuestionId":34503,"QuestionText":"What is the midpoint of the line segment with the given endpoints?","QuestionFormatJson":null,"CorrectAnswerFormat":null,"AnswerFormatType":null,"AnswerForamtJson":"{\"Type\":\"FIB\", \"SubType\":\"MultiTextBox\",\t\"CorrectAnswerFormat\":\"{0};{1}\", \"AnswerDisplayFormat\":[\"x=\",\"y=\"] }\t","FormatType":null,"OpExpression":null,"Operator":null,"Operand1":null,"Operand2":null,"selectedAnswer":null,"IsInactive":false,"isSelected":null,"CorrectAnswer":"-1.5;0","timeInMilliSeconds":null,"QuestionType":null,"VariableList":null,"WorksheetQuestionText":null,"AnswerOption":{"Opt1":null,"Opt2":null,"Opt3":null,"Opt4":null,"QuestionId":34503},"QuestionDetail":{"QuestionDetailId":0,"QuestionId":34503,"SubTopicId":4102,"SubTopic":{"SubTopicId":4102,"SubTopicDesc":"Midpoint formula ","Hint":null,"SubTopicDescSEO":null,"IsSEOUrlActive":true,"IsInactive":false,"IsCombinedSubTopic":null,"CombineSubTopicIdList":null,"TopicTopicId":"TGeoA","TopicTopicDesc":"Analytical Geometry","IsToolbar":false,"DisplayFormat":"{\"bgColor\":\"white\",\"IsQAtogether\":null,\"IsImage\":null,\"IsGraph\":null,\"IsTable\":null,\"ToolbarType\":{\"type\":null,\"ToolbarList\":[\"\"]}}","QuestionTextFormat":null,"WorksheetText":null,"IsSignInRequired":false,"IsPaidRequired":false,"DisplayFormatJson":{"bgColor":"white","IsQAtogether":null,"IsImage":null,"IsGraph":null,"IsTable":null,"ToolbarType":{"type":null}},"MilliSeconds":0},"TopicDesc":null,"QuestionDiffLevel":null},"ImageData":null,"GraphData":"{\"type\":\"mathjs\", \"data\": [ {\"points\":[[-7, 4],[4,-4] ], \"fnType\": \"points\", \"graphType\": \"polyline\" }],\"xScale\":[-14, 14],\"color\":\"green\",\"fnType\":\"points\" ,\"showCoordinates\":true,\"showMidPtCoOrdinates\":false, \"showMidpoint\":true,\"CoOrdinateTexts\":[[-7,4],[\"4\",\"-4\"] ]}","TableData":null,"AnswerFormatJsonDto":{"Type":"FIB","SubType":"MultiTextBox","CorrectAnswerFormat":"{0};{1}","AnswerDisplayFormat":["x=","y="],"AnswerType":null},"AssignWorksheetId":null,"MilliSeconds":0}

Algebra

{"QuestionId":34853,"QuestionText":"The radius of a circle is 15 cm and its minor arc length is 22 cm. Which of the following is the measure of the minor arc?","QuestionFormatJson":null,"CorrectAnswerFormat":null,"AnswerFormatType":null,"AnswerForamtJson":"{\"Type\":\"MultiChoice\",\"SubType\":\"RadioButton\",\"CorrectAnswerFormat\":null,\"AnswerDisplayFormat\":[\"\"],\"AnswerType\":null}","FormatType":null,"OpExpression":null,"Operator":null,"Operand1":null,"Operand2":null,"selectedAnswer":null,"IsInactive":false,"isSelected":null,"CorrectAnswer":"84^{\\circ}","timeInMilliSeconds":null,"QuestionType":null,"VariableList":null,"WorksheetQuestionText":null,"AnswerOption":{"Opt1":"84^{\\circ}","Opt2":"89^{\\circ}","Opt3":"74^{\\circ}","Opt4":"79^{\\circ}","QuestionId":34853},"QuestionDetail":{"QuestionDetailId":0,"QuestionId":34853,"SubTopicId":4152,"SubTopic":{"SubTopicId":4152,"SubTopicDesc":"Arc measure","Hint":"Use π =3.14.","SubTopicDescSEO":null,"IsSEOUrlActive":true,"IsInactive":false,"IsCombinedSubTopic":null,"CombineSubTopicIdList":null,"TopicTopicId":"TGeoC","TopicTopicDesc":"Circles","IsToolbar":false,"DisplayFormat":"{\"bgColor\":\"white\",\"IsQAtogether\":null,\"IsImage\":null,\"IsGraph\":null,\"IsTable\":null,\"ToolbarType\":{\"type\":null,\"ToolbarList\":[\"\"]}}","QuestionTextFormat":null,"WorksheetText":null,"IsSignInRequired":false,"IsPaidRequired":false,"DisplayFormatJson":{"bgColor":"white","IsQAtogether":null,"IsImage":null,"IsGraph":null,"IsTable":null,"ToolbarType":{"type":null}},"MilliSeconds":0},"TopicDesc":null,"QuestionDiffLevel":null},"ImageData":"{ \"type\": \"radiansArcLength\", \"text\": \"\", \"angle\": 84, \"r\": 100,\"textR\":\"15\", \"arc\": \"22\",\"cPoint\":\"O\",\"point1\":\"A\",\"point2\":\"B\",\"point3\":\"C\",\"rotateAngle\":45, \"color\": \"red\", \"top\": -25, \"left\": 135, \"shade\": true}","GraphData":null,"TableData":null,"AnswerFormatJsonDto":{"Type":"MultiChoice","SubType":"RadioButton","CorrectAnswerFormat":null,"AnswerDisplayFormat":[""],"AnswerType":null},"AssignWorksheetId":null,"MilliSeconds":0}

{"QuestionId":34903,"QuestionText":"The radius of a sector of a circle is 10 inches. Its angle is 120°. Calculate the perimeter of the sector.","QuestionFormatJson":null,"CorrectAnswerFormat":null,"AnswerFormatType":null,"AnswerForamtJson":"{\"Type\":\"MultiChoice\",\"SubType\":\"RadioButton\",\"CorrectAnswerFormat\":null,\"AnswerDisplayFormat\":[\"\"],\"AnswerType\":null}","FormatType":null,"OpExpression":null,"Operator":null,"Operand1":null,"Operand2":null,"selectedAnswer":null,"IsInactive":false,"isSelected":null,"CorrectAnswer":"20+\\frac{20\\pi }{3} inches","timeInMilliSeconds":null,"QuestionType":null,"VariableList":null,"WorksheetQuestionText":null,"AnswerOption":{"Opt1":"10+\\frac{20\\pi }{3} inches","Opt2":"20+\\frac{20\\pi }{3} inches","Opt3":"10+\\frac{\\pi }{3} inches","Opt4":"20+\\frac{\\pi }{3} inches","QuestionId":34903},"QuestionDetail":{"QuestionDetailId":0,"QuestionId":34903,"SubTopicId":4154,"SubTopic":{"SubTopicId":4154,"SubTopicDesc":"Sector ","Hint":"Use π =3.14 and round your answer to the nearest hundred.","SubTopicDescSEO":null,"IsSEOUrlActive":true,"IsInactive":false,"IsCombinedSubTopic":null,"CombineSubTopicIdList":null,"TopicTopicId":"TGeoC","TopicTopicDesc":"Circles","IsToolbar":false,"DisplayFormat":"{\"bgColor\":\"white\",\"IsQAtogether\":null,\"IsImage\":null,\"IsGraph\":null,\"IsTable\":null,\"ToolbarType\":{\"type\":null,\"ToolbarList\":[\"\"]}}","QuestionTextFormat":null,"WorksheetText":null,"IsSignInRequired":false,"IsPaidRequired":false,"DisplayFormatJson":{"bgColor":"white","IsQAtogether":null,"IsImage":null,"IsGraph":null,"IsTable":null,"ToolbarType":{"type":null}},"MilliSeconds":0},"TopicDesc":null,"QuestionDiffLevel":null},"ImageData":"{ \"type\": \"radiansArcLength\", \"text\": \"120°\", \"angle\": 120, \"r\": 100,\"textR\":\"10\", \"arc\": \"\", \"color\": \"white\", \"top\": 5, \"left\": 10, \"shade\": false}","GraphData":null,"TableData":null,"AnswerFormatJsonDto":{"Type":"MultiChoice","SubType":"RadioButton","CorrectAnswerFormat":null,"AnswerDisplayFormat":[""],"AnswerType":null},"AssignWorksheetId":null,"MilliSeconds":0}

8th Grade Math

8th Grade :

Algebra-I

Quadratic

Matrices

Inequalities

Solid Geometry

Circles

Analytical Geometry

Algebra

Math practice skills

Math Worksheets

iPracticeMath

About Us

Membership

Follow Us

8th Grade Math

8th Grade :

Algebra-I

Quadratic

Matrices

Inequalities

Solid Geometry

Circles

Analytical Geometry

Algebra

Math practice skills

Math Worksheets

Monthly Newsletter

iPracticeMath

About Us

Membership

Follow Us