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5th-grade-vocabulary-words

English Vocabulary · Grade 5 Live Review Preview

5th Grade Vocabulary Words

Fifth-grade readers use increasingly precise vocabulary to compare sources, explain evidence, interpret literature, and learn independently across science, mathematics, and social studies. The curriculum emphasizes context clues, meaningful word parts, parts of speech, and language that strengthens both discussion and writing.

This independently authored 500-word beta curriculum is arranged in twenty pages of twenty-five words each. Words 1–300 include five cloze questions per page; words 301–500 remain fully visible and editable as list pages while the expanded practice layer is developed. References calibrated level and coverage only; all learner-facing definitions and sample sentences are original KSSR copy.

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500 words
Words 426–450 of 500
#WordPattern / part of speechMeaningSample sentence
426orderedadjectiveGrade 5 mathematics wordупорядоченныйAn ordered pair lists the horizontal coordinate first.
427quadrantnounGrade 5 mathematics word1. квадра́нт 2. квадрантThe point is located in the first quadrant.
428polygonnounGrade 5 mathematics word1. многоуго́льник 2. многоугольникA hexagon is a polygon with six sides.
429anglenounGrade 5 mathematics word1. у́гол 2. уголA right angle measures ninety degrees.
430vertexnounGrade 5 mathematics word1. верши́на 2. верху́шкаThe top vertex joins the triangle's two sloping sides.
431paralleladjectiveGrade 5 mathematics wordпаралле́льныйOpposite sides of a rectangle are parallel.
432perpendicularadjectiveGrade 5 mathematics word1. перпендикуля́рный 2. перпендикулярныйThe vertical post is perpendicular to the ground.
433trianglenounGrade 5 mathematics word1. треуго́льник 2. треугольникThe triangle has one right angle.
434rectanglenounGrade 5 mathematics word1. прямоуго́льник 2. прямоугольникThe classroom floor forms a rectangle.
435rhombusnounGrade 5 mathematics wordромбThe tilted tile is a rhombus rather than a square.
436trapezoidnounGrade 5 mathematics wordтрапециевидныйThe bridge support forms a trapezoid.
437circumferencenounGrade 5 mathematics word1. окру́жность 2. пери́метрWe wrapped string around the lid to measure its circumference.
438diameternounGrade 5 mathematics word1. диа́метр 2. попере́чник 3. диаметрThe plate's diameter is twice its radius.
439radiusnounGrade 5 mathematics word1. ра́диус 2. радиусThe compass was set to a radius of five centimeters.
440areanounGrade 5 mathematics word1. пло́щадь 2. площадьMultiply length by width to find a rectangle's area.
441perimeternounGrade 5 mathematics word1. пери́метр 2. периметрAdd all four side lengths to find the garden's perimeter.
442symmetrynounGrade 5 mathematics word1. симме́трия 2. симметрияThe butterfly's wings show approximate symmetry.
443mediannounGrade 5 mathematics word1. медиа́нный 2. медиа́наThe median of three, five, and nine is five.
444modenounGrade 5 mathematics wordмо́даThe mode of two, three, three, and five is three.
445rangenounGrade 5 mathematics word1. о́бласть 2. мно́жество 3. ассортиме́нтThe range of four, seven, and twelve is eight.
446datanounGrade 5 mathematics word1. да́нные 2. информа́ция 3. данныеWe recorded the rainfall data in a table.
447samplenounGrade 5 mathematics word1. образе́ц 2. про́ба 3. экземпля́рThe survey used a sample of fifty residents.
448probabilitynounGrade 5 mathematics wordвероя́тностьThe probability of rolling an even number is one half.
449possibleadjectiveGrade 5 mathematics word1. возмо́жный 2. вероя́тный 3. возможныйRolling a six is possible with a standard number cube.
450impossibleadjectiveGrade 5 mathematics word1. несбыточный 2. недостижи́мый 3. невозможныйIt is impossible to roll a seven on a standard six-sided number cube.

Vocabulary chart page

This page focuses on the word chart. Reading passages appear once in each three-page group, while cloze quizzes remain in the established enhanced range for this level.

Sources and curriculum references

These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.