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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 wordបានបញ្ជាទិញAn ordered pair lists the horizontal coordinate first.
427quadrantnounGrade 5 mathematics wordបួនជ្រុងThe point is located in the first quadrant.
428polygonnounGrade 5 mathematics wordពហុកោណA hexagon is a polygon with six sides.
429anglenounGrade 5 mathematics word1. មុំ 2. មុម 3. ជ្រុងA right angle measures ninety degrees.
430vertexnounGrade 5 mathematics wordVertexThe top vertex joins the triangle's two sloping sides.
431paralleladjectiveGrade 5 mathematics wordប៉ារ៉ាឡែលOpposite sides of a rectangle are parallel.
432perpendicularadjectiveGrade 5 mathematics wordកាត់កែងThe vertical post is perpendicular to the ground.
433trianglenounGrade 5 mathematics wordត្រីកោណThe triangle has one right angle.
434rectanglenounGrade 5 mathematics wordចតុកោណកែងThe classroom floor forms a rectangle.
435rhombusnounGrade 5 mathematics wordចតុកោណ​ស្មើThe tilted tile is a rhombus rather than a square.
436trapezoidnounGrade 5 mathematics wordរាងចតុកោណThe bridge support forms a trapezoid.
437circumferencenounGrade 5 mathematics wordរង្វង់We wrapped string around the lid to measure its circumference.
438diameternounGrade 5 mathematics word1. អង្កត់ផ្ចិត 2. ទំហំThe plate's diameter is twice its radius.
439radiusnounGrade 5 mathematics wordកាំThe compass was set to a radius of five centimeters.
440areanounGrade 5 mathematics word1. ទំហំ 2. ផ្ទៃMultiply length by width to find a rectangle's area.
441perimeternounGrade 5 mathematics wordបរិវេណAdd all four side lengths to find the garden's perimeter.
442symmetrynounGrade 5 mathematics wordស៊ីមេទ្រីThe butterfly's wings show approximate symmetry.
443mediannounGrade 5 mathematics word1. មេដ្យាន 2. សមឌ្ឍរេខាThe median of three, five, and nine is five.
444modenounGrade 5 mathematics wordរបៀបThe mode of two, three, three, and five is three.
445rangenounGrade 5 mathematics wordជួរThe range of four, seven, and twelve is eight.
446datanounGrade 5 mathematics wordទិន្នន័យWe recorded the rainfall data in a table.
447samplenounGrade 5 mathematics wordគំរូThe survey used a sample of fifty residents.
448probabilitynounGrade 5 mathematics wordប្រូបាប៊ីលីតេThe probability of rolling an even number is one half.
449possibleadjectiveGrade 5 mathematics word1. អាច 2. អាច​ធ្វើ​បានRolling a six is possible with a standard number cube.
450impossibleadjectiveGrade 5 mathematics word1. មិនអាចទៅរួច 2. ការមិនអាចទៅរួចIt 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.