Curated OER
Measurement: Perimeter
In this perimeter learning exercise, 10th graders identify and complete 9 different problems that include determining the perimeter of various figures. First, they complete the table by writing the number of sides in each figure listed...
Curated OER
Polygon People
Students identify polygons. In this polygon people instructional activity, students draw required shapes and construct a polygon person. They identify each shape and its characteristics. The instructional activity may be extended by...
Curated OER
Modeling pentagrams using Geometers Sketchpad
Students using visual modeling software will construct two regular pentagrams which are mathematically similar. They also create a multi-page document and learn to create links between the pages and to a website on the History of...
Curated OER
Polygons
In this polygons worksheet, 10th graders solve 10 different problems that include various types of polygons. First, they determine the number of sides that a polygon has if the exterior angle is a certain degree. Then, students determine...
Curated OER
Exterior Angles
In this exterior angles worksheet, 10th graders solve and measure 10 different angles and figures related to exterior angles. First, they determine how many degrees there are in the sum of the exterior angles of a regular heptagon. Then,...
Curated OER
Polygons
In this polygons worksheet, 10th graders identify and define both a polygon and a convex polygon and then, they apply two theorems that involve the interior and exterior angles of a convex polygon. First, they find the sum of the...
PBS
Pbs Learning Media: Triangles
In this video segment [2:01] from Cyberchase, the CyberSquad finds that by arranging triangle tiles they are able to create a path that will allow them to cross a river of hot lava.
Languages Online
Languages Online: El Condicional
A great explanation of the conditional tense introduces one matching, and five gap-fill exercises that provide plenty of practice with regular and irregular conjugations. The "vosotros" form is also used. A great way for students to...
Languages Online
Languages Online: El Imperfecto
A great explanation of the imperfect tense introduces thirteen multiple choice, matching, and gap-fill exercises that provide plenty of practice with regular and irregular conjugations. The "vosotros" form is also used. A great way for...
Languages Online
Languages Online: Regular Present Tense
A brief explanation of regular present tense conjugations introduces a variety of nine exercises that practice each type of conjugation -ar, -er, and -ir. Endings are first matched to pronouns, and then gap-fill exercises provide verb...
Languages Online
Languages Online: The Preterite Tense (Regular Verbs)
A brief explanation of the preterite tense and of its regular conjugations introduces a variety of exercises that practice each type of conjugation -ar, -er, and -ir. Endings are first matched to pronouns, and then gap-fill exercises...
Colby College
Spanish Language & Culture: Imperfect Subjunctive
This Spanish grammar exercise provides excellent practice conjugating verbs in the past subjunctive tense in verb charts. Fifty different infinitives give the student plenty of practice with conjugations of the imperfect subjunctive....
Colby College
Spanish Language & Culture: Preterites Irregular Meanings
Practice using verbs that change their meaning in the preterite tense: conocer, saber, querer, tener, and poder. Complete translations from English to Spanish by choosing the correct form of a verb in the preterite or imperfect. Answers...
Colby College
Spanish Language & Culture: El Preterito Formas (Part 3)
These Colby College exercises provide a very extensive review of irregular verbs, stem-changers, and spelling changes in the preterite tense. Change present tense conjugations to preterite tense. Answers may be checked and corrected.
Colby College
Spanish Language & Culture: El Preterito Formas (Part 4)
These exercises provide a very extensive review of irregular verbs, stem-changers, and spelling changes in the preterite tense. Provides practice in the third person plural form in preparation for the imperfect subjunctive. Answers may...
Colby College
Spanish Language & Culture: Future Tense and Si Clauses
Great explanation of "if" clauses in the present indicative tense that are used in sentences with the future tense. A short exercise tests the student's mastery of the principle and reviews a variety of present and future tense...
Colby College
Spanish Language & Culture: Present Indicative Si Clauses
Great explanation of "if" clauses and when to use the present indicative tense. A short exercise tests the student's mastery of the principle and reviews a variety of present tense conjugations. Answers may be checked and corrected.
Colby College
Spanish Language & Culture: Past Subjunctive Si Clauses
This Spanish grammar exercise provides adequate practice conjugating verbs in the conditional tense and in the past subjunctive in sentences that contain "if" clauses. Answers may be checked and corrected.
Colby College
Spanish Language & Culture: Present Subjunctive Forms (Part 1)
Completion of these thirty clauses provide a very extensive review of regular and irregular verbs, stem-changers, and spelling changes in the present subjunctive tense. Verb infinitives are provided that need to be conjugated in the...
Colby College
Spanish Language & Culture: Present Subjunctive Forms (Part 2)
Completion of these twenty-four clauses provide an extensive review of regular and irregular verbs, stem-changers, and spelling changes in the present subjunctive tense. Verb infinitives are provided that need to be conjugated in the...
Colby College
Spanish Language & Culture: Subjunctive Noun Clauses #4
This exercise practices the present subjunctive with verbs of influence: aconsejar, decir, insistir, mandar, necesitar, pedir, preferir, prohibir, querer, recomendar, rogar, and sugerir. An English translation is provided as a foundation...
Colby College
Spanish Language & Culture: Subjunctive With Commands
Hear a "tu" command and complete the indirect command with the correct form of the verb in the present subjunctive. Answers may be checked and corrected.
Colby College
Spanish Language & Culture: Subjunctive Verbs of Emotion
With the English translation as a guide, the student completes the Spanish equivalent by conjugating the verb of emotion into the present indicative and the verb in the noun clause into the present subjunctive. Good practice for spelling...
Study Languages
Study Spanish: Preterite vs Imperfect Part Ii
Great lesson for identifying words and phrases that indicate which past tense to use, preterite or imperfect. Though not meant to be a comprehensive lesson on the application of these two past tenses, the two lists of time expressions...