Grade 4 PPT_Math_Q1_Lesson 3.pptx.......

math

1. Math 4 unit 1 Lesson 3 Place Value and Value Of a Digit in Numbers Up to 100 000

2. Review Write the place value and value of the underlined digit: Place Value Value 1. 3 456 2. 5 7 89 3. 69 4 3 4.678 9

3. Motivation: Why are smaller pupils seated in front while the bigger pupils are seated at the back? Ten thousands Thousands Hundreds Tens Ones How many ten thousands are there? Thousands ?Hundreds ? Tens/ Ones ? How many digits are there? What is the place value of 4 ? 2 ? 3 ? 6 ? 5 ? 42 365 Expanded Form: 40 000 + 2 000 + 300 + 60 + 5 = 42 365

4. Explore and Discover ! . In 2013, Barangay San Sebastian harvested 64 789 Kilograms of mangoes.

5. What does each digit in 64 789 mean ? Study how 64 789 is written in the place value chart. THOUSANDS UNITS Hundreds Ten One Hundreds Tens Ones 6 4 7 8 9 The digit 9 is in the ones place. Its value is 9. The digit is in the tens place . Its value is 80. The digit 7 in the hundreds place. Its value is 700 . The digit 4 is in the one thousands place . Its Value is 4000. The digit 6 is in the ten thousands place . Its value is 60 000. The value of a digit is determined by multiplying that digit by its place value.

6. Get Moving ! A. In the number 91 736 , what is the place value of each digit below? Write your answers in your notebook? 9-______ 1- _____ 7- _____ 3-______6-______ B . Write the missing numbers in your notebook. 1] 74 789 means 70 000 +______+______+______+______ 2] 34 567 means _____+4000+500+60+7 3] 45 897 means 40 000 + _____ + 800 + 90 + 7 4] 45 789 means 40 000 +______+700 + 80 + 9 5] 68 413 means _____ + ______ + _____ + ______ + ______

7. Keep Moving ! A. Write the number represented by each of the following on your paper. 1] 50 000 + 2 000 + 400 + 70 + 2 = 2] 90 000 + 1000 + 700 + 0 = 3] 80 000 + 500 + 20 + 4 = 4] 20 000 + 3000 + 400 + 10 + 3 = 5 ] 30 000 + 4000 + 00 + 40 + 3 =

8. B. In the number 45 678 , write in your notebook the digit in the given place value. 1. Tens place 2. Thousands place 3. Hundreds place 4. Ten thousands place 5. Ones place C. Write the value of the underlined digit. 1. 7 8 426 4. 97 4 2 8 2. 49 6 73 5 . 1 00 000 3. 8 6 594

9. Apply Your Skills ! A. Use the digits 4, 5, 6, 7 , and 8 only once for problems 1 to 4 . 1. Write the greatest number possible with 8 in the ten thousands place. 2. Write the least number possible with 5 in the thousands place. 3. Write the greatest number possible with 7 in the ten thousands. 4. Write the least number possible with 6 in the thousands place.

10. B. In which number does 7 have the greater value? 1) 72 509 or 87 999 2) 56 759 or 75 813 3) 45 271 or 345 723 4) 87 009 or 97 436 5) 98 790 or 73 418 6) 67 495 or 43 756 7) 75 345 or 97 345 8) 23 578 or 43 745 9)67 234 or 76 345 10) 89 734 or 16 879

11. Assessment A. Write the value of digit 4 in each of the numerals below. 1) 64 587 2) 67 840 3) 43 125 4) 80 456 5) 23 348

12. B. Give the place value of the underlined digit. 1) 8 9 751 2) 8 0 001 3) 23 4 32 4) 67 0 8 9 5) 6 8 309

13. Remediation Give the number represented by each of the following on your notebook. 1) 30 000 + 6 000 + 500 + 70 + 9 2) 70 000 + 7 000 + 300 + 20 + 7 3) 80 000 + 6 000 + 200 + 60 +4 Give the place value of 6 in each numeral. 4) 64 300 5) 46 432

14. Enrichment Answer the following questions. 1. What is the largest 5-digit number without repeating digits? 2. What is the smallest 5 digit number without repeating digits? 3. What new number will be formed if the ten Thousands digit of the number 52 398 is increased by 3 and the ten digit is decreased by 5 ? 4. In the numerals 86 784 ,how many times greater is 8 in the ten thousand digit than the other 8?