Transcript Slide 1
Standard, Written and Expanded Form Grade 3 1 Copyright © Ed2Net Learning, Inc. Hello! How are you? We are going to begin a New and interesting Lesson. 2 Copyright © Ed2Net Learning, Inc. Digit Any of the symbols used to write numbers are called Digits. Example: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. 3 Copyright © Ed2Net Learning, Inc. Standard Form Standard Form is a way of writing a number that shows only its digits. Example: 1,325 is a standard Form. 4 Copyright © Ed2Net Learning, Inc. Expanded Form A way of writing a number as the sum of values of its digits. Example: 156 can be written as 100 + 50 + 6 in expanded form. 5 Copyright © Ed2Net Learning, Inc. Expanded Form is used to find the value of a digit in a number. Example: To find the value of 6 in 1,659 expanded form is used. Value of 6 in 1,659 is 600. 6 Copyright © Ed2Net Learning, Inc. Word Form A way of writing a number using words is known as Word form. Example: 184 can be written as One hundred and eighty four in word form. 7 Copyright © Ed2Net Learning, Inc. All of these represent 475: Four hundred seventy five. 400 + 70 + 5 4 hundreds, 7 tens, 5 ones. 8 Copyright © Ed2Net Learning, Inc. zeros in each number in expanded form. Write the number of zeros that shows the place value of each digit in the number. Example: 2,658 2000 + 600 + 50 + 8 shows the expanded form and is also the place value of each digit. 9 Copyright © Ed2Net Learning, Inc. Important Tips A comma separates the thousands and the hundreds. Expanded form can be used to show each digit’s value. 10 Copyright © Ed2Net Learning, Inc. Try it yourself. Write 1 hundreds, 1tens and 1 ones in expanded form. Answer100 + 10 + 1 11 Copyright © Ed2Net Learning, Inc. Write the number 3,586 in expanded and word form. Expanded form: 3,000 + 500 + 80 + 6 Word Form: Three thousand five hundred and eighty six. 12 Copyright © Ed2Net Learning, Inc. Write in standard form. 50,000 + 2,000 + 500 + 90 + 8 Answer52,598 13 Copyright © Ed2Net Learning, Inc. Write in standard form. Three thousand two hundred and ten. Answer3,210 14 Copyright © Ed2Net Learning, Inc. Write in standard and word form. 8 thousands, 5 hundreds, 6 tens,7 ones. AnswerStandard form: 8,567 Word Form: Eight thousand five hundreds and sixty seven. 15 Copyright © Ed2Net Learning, Inc. Write the given number in expanded and standard form. Hundred Ten thousands thousands thousands hundreds tens ones 2 5 1 6 1 8 Answer- Expanded form: 200,000 + 10,000 + 5,000 + 800 + 10 + 6 Standard form- 215,816 16 Copyright © Ed2Net Learning, Inc. Write 26,259 in expanded form. Answer- 20,000 + 6,000 + 200 + 50 + 9 17 Copyright © Ed2Net Learning, Inc. Enjoy It’s time for a short break! 18 Copyright © Ed2Net Learning, Inc. 19 Copyright © Ed2Net Learning, Inc. Try Assessment Questions Now. Back to work! 20 Copyright © Ed2Net Learning, Inc. 1. Mr. Lee wrote this number on the board.40,000 + 4,000+ 50 + 6 Write the number in standard form. Answer44,056 21 Copyright © Ed2Net Learning, Inc. 2. There are 12,678 seats in a Local stadium. Write the number in expanded form. Answer10,000 + 2,000 + 600 + 70 + 8 22 Copyright © Ed2Net Learning, Inc. 3. Write 4,809 in word and expanded form. AnswerWord form: Four thousand eight hundred and nine. Expanded form: 4000 + 800 + 9 23 Copyright © Ed2Net Learning, Inc. 4. If A represents 1000, B represents 100 and C represents 10, find the value of A + A + B + B + B+ C. Write in expanded form also. Answer- 2,310 Expanded form: 2,000 + 300 + 10 24 Copyright © Ed2Net Learning, Inc. 5. Write 5000 + 20 + 1 in standard and word form. AnswerStandard form: 5,021 Word form: Five thousand and twenty one. 25 Copyright © Ed2Net Learning, Inc. 6. Write in standard form. a) Two thousand fifty. b) 2 thousands 4 ones. Answera) 2,050 b) 2,004 26 Copyright © Ed2Net Learning, Inc. 7. Flight maker sells 457,954 games. Write the given number in expanded form. Answer- 400,000 + 50,000 + 7,000 + 900 + 50 +4 27 Copyright © Ed2Net Learning, Inc. 8. There are 600,000 + 4,000 + 800 seconds in a week. How many seconds are there in a week? Answer- 604,800 seconds 28 Copyright © Ed2Net Learning, Inc. 9. Write the given number in expanded form. Hundred thousands Ten thousands thousands hundreds tens ones 8 0 6 0 8 7 Answer- 800,000 + 6,000 + 700 + 8 29 Copyright © Ed2Net Learning, Inc. 10. Write 5,890 in word and expanded form. AnswerWord form: Five thousand eight hundred ninety. Expanded form: 5,000 + 800 + 90 30 Copyright © Ed2Net Learning, Inc. Recap 31 Digit Standard form Word form Expanded form Solved examples Practice problems Copyright © Ed2Net Learning, Inc. Well Done! Now practice your Worksheets. 32 Copyright © Ed2Net Learning, Inc.