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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 word整列An ordered pair lists the horizontal coordinate first.
427quadrantnounGrade 5 mathematics word象限The point is located in the first quadrant.
428polygonnounGrade 5 mathematics word多角形A hexagon is a polygon with six sides.
429anglenounGrade 5 mathematics word1. 角 2. 隅A right angle measures ninety degrees.
430vertexnounGrade 5 mathematics word1. 頂 2. 頂点The top vertex joins the triangle's two sloping sides.
431paralleladjectiveGrade 5 mathematics word平行Opposite sides of a rectangle are parallel.
432perpendicularadjectiveGrade 5 mathematics word1. 垂直の 2. 縦の 3. 直立のThe vertical post is perpendicular to the ground.
433trianglenounGrade 5 mathematics word1. 三角 2. 三角形The triangle has one right angle.
434rectanglenounGrade 5 mathematics word1. 長方形 2. 矩形The classroom floor forms a rectangle.
435rhombusnounGrade 5 mathematics word1. 斜方形 2. 菱形The tilted tile is a rhombus rather than a square.
436trapezoidnounGrade 5 mathematics word不等辺四辺形The bridge support forms a trapezoid.
437circumferencenounGrade 5 mathematics word円周We wrapped string around the lid to measure its circumference.
438diameternounGrade 5 mathematics word1. 直径 2. 径The plate's diameter is twice its radius.
439radiusnounGrade 5 mathematics word半径The compass was set to a radius of five centimeters.
440areanounGrade 5 mathematics word面積Multiply length by width to find a rectangle's area.
441perimeternounGrade 5 mathematics word周囲Add all four side lengths to find the garden's perimeter.
442symmetrynounGrade 5 mathematics word1. 対称性 2. 対称 3. シンメトリーThe butterfly's wings show approximate symmetry.
443mediannounGrade 5 mathematics word1. 中央値 2. 中間数 3. 中位数The median of three, five, and nine is five.
444modenounGrade 5 mathematics wordモードThe mode of two, three, three, and five is three.
445rangenounGrade 5 mathematics word音域The range of four, seven, and twelve is eight.
446datanounGrade 5 mathematics word1. データ 2. 情報 3. 統計We recorded the rainfall data in a table.
447samplenounGrade 5 mathematics word1. 見本 2. サンプルThe survey used a sample of fifty residents.
448probabilitynounGrade 5 mathematics word1. 確率 2. 可能性 3. 蓋然性The probability of rolling an even number is one half.
449possibleadjectiveGrade 5 mathematics word1. ありうる 2. 起こり得るRolling a six is possible with a standard number cube.
450impossibleadjectiveGrade 5 mathematics word1. 不可能な 2. ありえない 3. 不可能It 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.