
Grades 1–3 (P.1–P.3)

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English Vocabulary worksheets on Numbers 20-100 for Grades 1–3 (P.1–P.3), difficulty 1/5. PDF, downloadable as soon as payment clears.
Curriculum indicators practised
Before you begin
Spell two-digit number words ending in five, from 25 to 95, concentrating on the -ty tens part and the hyphen that joins the two words.
12 questions, 20 points - Part A: complete 8 number words by circling one of three letters (16 points), e.g. twent_-five (I/Y/E), fo_ty-five (U/R/A) and se_enty-five (B/V/F) - Part A covers 25, 35, 45, 55, 65, 75, 85 and 95 - Part B: pick the correct spelling for 25, 45, 85 and 95 (4 points) - A separate answer key is included
Use once children can read the tens from twenty to ninety. Allow about 10 minutes. - Before starting, write 25 on the board and build twenty + five together, adding the hyphen as a separate step - After marking, have children change the ones digit (45 to 42 or 48) and write the new word, keeping forty as it is
- In Part B, item 45 offers fourty-five, and children add the u because of four - ninty-five drops the e in item 95, and twinty-five is the trap in item 25 - Another set of distractors drops the final e: forty-fiv, eighty-fiv and ninety-fiv - eigthy-five in item 85 swaps the h and t
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By a teacher who works in Thai classrooms, for Grades 1 to 6.
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