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...
Study Languages
Study Spanish: Regular Verbs Part Iii
The third in a series of three lessons,that focus on regular verbs in the present tense. Fantastic summary of regular present tense conjugations and the use of subject pronouns. The explanation is thorough and easy to understand. The...
Language Guide
Language Guide: Miscellaneous Irregulars
Learn how to write the correct forms of various irregular verbs such as ir, ser, estar, haber, decir, oir and more. Audio files model the correct pronunciation. Links to interactive conjugation practice give students more time for skill...
Khan Academy
Khan Academy: Spectroscopy: Interaction of Light and Matter
Tutorial provides a discussion of UV-Vis spectroscopy, infrared (IR) spectroscopy, and the Beer-Lambert law.
Study Languages
Study Spanish: Subjunctive: Irregular Verbs
Great explanation of how to conjugate the six irregular verbs in the present subjunctive: dar, estar, haber, ir, saber, and ser. A quiz at the end of the lesson tests the student's mastery of irregular conjugations in the present...
Internal Revenue Service
Internal Revenue Service: Sole Proprietorships
A definition of a sole proprietorship, along with links to the relevant forms that must be filed with the IRS.
TED Talks
Ted: Ted Ed: Iridium: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Iridium is element 77 and its symbol is Ir. [7:08]
Other
Premier Payroll Research Library: Fringe Benefits
This article has the employer realize the importance of reporting fringe benefits to the IRS. This explains what fringe benefits are. Lists certain benefits that may be excluded from income as well as others which may not be excluded.
Study Languages
Study Spanish: Irregular Commands (Tu)
Great introduction to irregular affirmative commands in Spanish that use the pronoun tu: decir, hacer, ir, poner, salir, ser, tener, and venir. A quiz at the end of the lesson tests the student's mastery of these irregular command forms.
Study Languages
Study Spanish: Preterite Part 2
This site is an introduction to four common irregular verbs in the preterite tense: ser, ir, dar, and hacer. A quiz at the end of the lesson tests the student's mastery of these irregular conjugations.
Study Languages
Study Spanish: Volver a + Infinitive
Good introductory lesson to the use of "volver a". "Poder", "ir a", and "acabar de" are also introduced as other double verb constructions. A quiz, oral exercize, and short test at the end of the lesson tests the student's mastery of...
Other
Employee Benefits Legal Site: 403(b) Plan Audit Issues
Talks of the recent involvement of the IRS regarding 403 (B) Plans. Gives guidelines for the employer to follow.
Ducksters
Ducksters: Physics for Kids: Ohm's Law
Kids learn about Ohm's law in the science of electricity and physics including current, resistance, voltage, example problems, and V=IR.
ClassFlow
Class Flow: Little House on the Prairie
[Free Registration/Login Required] Teachers can use this flipchart while reading a portion of Little House on the Prairie from the third grade Scholastic Literacy Place series. Skills focus on phonics /ir/ and sequencing events.
Other
Fool.com: All About Ir as Introduction
A very complete source of information regarding IRAs. Links that tell about IRAs, give calculations, and prepare you for retirement are included.
Environmental Chemistry
Environmental chemistry.com: Periodic Table Iridium
Chances are, if you need to know anything about iridium, this site will have it. Exceptionally thorough.
Internal Revenue Service
Internal Revenue Service: Frequently Asked Questions and Answers
Hundreds of questions about taxes are answered here. FAQs are sorted by category, subcategory, and keyword.
Curated OER
Unesco: Netherlands: ir.d.f. Woudagemaal (d.f. Wouda Steam Pumping Station)
The Wouda Pumping Station at Lemmer in the province of Friesland opened in 1920. It is the largest steam-pumping station ever built and is still in operation. It represents the high point of the contribution made by Netherlands engineers...
Starfall
Starfall: Make a Word: Control R
There are three levels in this interactive word game. Match the initial and final sounds to create a word to name the picture. ER words: herd, fern; IR words: bird, girl; UR words: curl, surf.
Starfall
Starfall: Learn to Read: Surfer Girl
Surfer Girl is an interactive story that allows you to practice reading words with the er, ur, and ir sounds.
Other
Forbes: Migration Map
Enter a county or major city to see the inbound and outbound migration data. This map visualizes migration data from the years 2005-2010 that the IRS has collected. In order to preserve privacy, the IRS only includes moves that more than...
Other
Illinois State University: French Literary Tenses
A concise explanation of the French literary tenses with examples and comparisons to spoken language. Has sample conjugations of auxiliary verbs as well as er, ir, re verbs.
Other popular searches
- Er Ir Ur
- Ar or Er Ir Ur Words
- Phonics Ir, Er, Ur
- Phonics Ur Er Ir
- Er Ir Ur Words
- Ir Words
- Spelling Y Irs
- Ai Ay Ir Oa
- Spanish Ir
- S Es Irs
- Spanish Ir Dar Estar
- Noun Irs