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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 wordorganizadoAn ordered pair lists the horizontal coordinate first.
427quadrantnounGrade 5 mathematics wordquadranteThe point is located in the first quadrant.
428polygonnounGrade 5 mathematics wordpolígonoA hexagon is a polygon with six sides.
429anglenounGrade 5 mathematics word1. esquina 2. cantoA right angle measures ninety degrees.
430vertexnounGrade 5 mathematics word1. cume 2. vértice 3. topoThe top vertex joins the triangle's two sloping sides.
431paralleladjectiveGrade 5 mathematics wordparaleloOpposite sides of a rectangle are parallel.
432perpendicularadjectiveGrade 5 mathematics wordperpendicularThe vertical post is perpendicular to the ground.
433trianglenounGrade 5 mathematics wordtriânguloThe triangle has one right angle.
434rectanglenounGrade 5 mathematics word1. retângulo 2. rectânguloThe classroom floor forms a rectangle.
435rhombusnounGrade 5 mathematics wordlosangoThe tilted tile is a rhombus rather than a square.
436trapezoidnounGrade 5 mathematics wordtrapezoideThe bridge support forms a trapezoid.
437circumferencenounGrade 5 mathematics wordcircunferênciaWe wrapped string around the lid to measure its circumference.
438diameternounGrade 5 mathematics worddiâmetroThe plate's diameter is twice its radius.
439radiusnounGrade 5 mathematics wordraioThe compass was set to a radius of five centimeters.
440areanounGrade 5 mathematics wordáreaMultiply length by width to find a rectangle's area.
441perimeternounGrade 5 mathematics wordperímetroAdd all four side lengths to find the garden's perimeter.
442symmetrynounGrade 5 mathematics wordsimetriaThe butterfly's wings show approximate symmetry.
443mediannounGrade 5 mathematics word1. mediano 2. central 3. medianaThe median of three, five, and nine is five.
444modenounGrade 5 mathematics wordmodaThe mode of two, three, three, and five is three.
445rangenounGrade 5 mathematics word1. imagem 2. intervaloThe range of four, seven, and twelve is eight.
446datanounGrade 5 mathematics worddadosWe recorded the rainfall data in a table.
447samplenounGrade 5 mathematics wordamostraThe survey used a sample of fifty residents.
448probabilitynounGrade 5 mathematics wordprobabilidadeThe probability of rolling an even number is one half.
449possibleadjectiveGrade 5 mathematics wordpossívelRolling a six is possible with a standard number cube.
450impossibleadjectiveGrade 5 mathematics wordimpossívelIt 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.