NS 1.1*2$ Read and write whole numbers in the millions. &&66 'HWHUPLQHZKHWKHUDJURXSRIREMHFWVXSWRKDVDQRGGRU HYHQQXPEHURIPHPEHUVHJE\SDLULQJREMHFWVRUFRXQWLQJWKHPE\VZULWHDQ HTXDWLRQWRH[SUHVVDQHYHQQXPEHUDVDVXPRIWZRHTXDODGGHQGV UNDERLYING SKILLS AND CONCEPTS: Place value; read and write numbers; concepts of odd and even Know Even and Odd Numbers Even numbers count things that can be put into two equal groups. a K ey Ide Odd numbers count things that have one left over when you try to put them into two equal groups. Even numbers have a 2, 4, 6, 8, or 0 in the ones place. Odd numbers have a 1, 3, 5, 7,or 9 in the ones place. E x am p l E 1 Since there is one left over when you try to put them into pairs, 27 is odd. E x am p l E 2 Start with 34. List the next 3 even numbers. Since even numbers have 2, 4, 6, 8, or 0 in the ones place, the next three even numbers are 36, 38, 40. Skip count by 2 34 35 36 37 38 39 40 Even Odd Even Odd Even Odd Even page 38 Chapter 4 – Lesson 1 D – © CSL Associates, Inc. All rights reserved. Is 27 even or odd? Name P RAC T I C E Tell whether each number is even or odd. 1. 23 odd 2. 560 even 3. 103,121 odd 4. 42 even 5. 235 odd 6. 245,244 even 7. 56 even 8. 1,223 odd 9. 490,560 even 10. 87 odd 11. 3,542 even 12. 1,103,121 odd 13. 121 odd 14. 11,056 even 15. 7,245,244 even 16. 244 even 17. 88,687 odd 18. 9,490,235 odd Start with this number and write the next three even numbers. 19. 40 42, 44, 46 20. 58 60, 62, 64 5,656, 5,658, 5,660 D – © CSL Associates, Inc. All rights reserved. 21. 5,654 971,304, 971,306, 971,308, 22. 971,303 Start with this number and write the next three odd numbers. 23. 35 37, 39, 41 24. 89 91, 93, 95 Answer the question. Explain how you decided. 25. To determine if a number is even or odd, do you need to look at every digit of that number? Math Reasoning NO Number Sense MR 1.1 26. Is the sum of two even numbers even or odd? even 27. Is the sum of two odd numbers even or odd? even 28. Is the sum of an even number and an odd number even or odd? odd Chapter 4 – Lesson 1 page 39 MCX94.HW.CL.G4.FM&Lesson.v211 8/2/04 19:16 Page 26 Name …at home! P RAC T I C E Tell whether each number is even or odd. 1. 37 odd 2. 570 even 3. 105,323 odd 4. 56 even 5. 263 odd 6. 425,466 even 7. 41 odd 8. 1,481 odd 9. 860,740 even 10. 89 odd 11. 4,532 even 12. 3,301,327 odd 13. 125 odd 14. 12,064 even 15. 5,425,422 even 16. 286 even 17. 66,865 odd 18. 7,670,457 odd Start with this number and write the next three even numbers. 32, 34, 36 20. 68 70, 72, 74 5,3,846; 21. 3,844 22. 793,101 793,102; 3,848; 793,104; 3,850 793,106 Start with this number and write the next three odd numbers. 23. 45 47, 49, 51 24. 77 79, 81, 83 Answer the question. Explain how you decided. 25. To determine if a number is even or odd, do you need to look at every digit of that number? Math Reasoning NO Number Sense MR 1.1 26. Is the sum of two odd numbers even or odd? even 27. Is the sum of two even numbers even or odd? even 28. Is the sum of an odd number and an even number even or odd? odd page 26 Home Resource and Homework Chapter 4 Lesson 1 D – © CSL Associates, Inc. All rights reserved. 19. 30 MCX94TEG4Ch01_32.v8.5.2 2/26/01 18:59 Page 73 Name P RAC T I C E Tell whether each number is even or odd. 1. 23 odd 2. 560 even 3. 103,121 odd 4. 42 even 5. 235 odd 6. 245,244 even 7. 56 even 8. 1,223 odd 9. 490,560 even 10. 87 odd 11. 3,542 even 12. 1,103,121 odd 13. 121 odd 14. 11,056 even 15. 7,245,244 even 16. 244 even 17. 88,687 odd 18. 9,490,235 odd Start with this number and write the next three even numbers. 19. 40 42, 44, 46 20. 58 60, 62, 64 5,656, 5,658, 5,660 D – © CSL Associates, Inc. All rights reserved. 21. 5,654 971,304, 971,306, 971,308, 22. 971,303 Start with this number and write the next three odd numbers. 23. 35 37, 39, 41 24. 89 91, 93, 95 Answer the question. Explain how you decided. 25. To determine if a number is even or odd, do you need to look at every digit of that number? Math Reasoning NO Number Sense MR 1.1 26. Is the sum of two even numbers even or odd? even 27. Is the sum of two odd numbers even or odd? even 28. Is the sum of an even number and an odd number even or odd? odd Chapter 4 – Lesson 1 Student Book Page page 39 Name …at home! P RAC T I C E Tell whether each number is even or odd. 1. 37 odd 2. 570 even 3. 105,323 odd 4. 56 even 5. 263 odd 6. 425,466 even 7. 41 odd 8. 1,481 odd 9. 860,740 even 10. 89 odd 11. 4,532 even 12. 3,301,327 odd 13. 125 odd 14. 12,064 even 15. 5,425,422 even 16. 286 even 17. 66,865 odd 18. 7,670,457 odd Start with this number and write the next three even numbers. 32, 34, 36 20. 68 70, 72, 74 5,3,846; 21. 3,844 22. 793,101 793,102; 3,848; 793,104; 3,850 793,106 Start with this number and write the next three odd numbers. 23. 45 47, 49, 51 24. 77 79, 81, 83 Answer the question. Explain how you decided. 25. To determine if a number is even or odd, do you need to look at every digit of that number? Math Reasoning NO Number Sense MR 1.1 26. Is the sum of two odd numbers even or odd? even 27. Is the sum of two even numbers even or odd? even 28. Is the sum of an odd number and an even number even or odd? odd page 26 Home Resource and Homework Chapter 4 Lesson 1 D – © CSL Associates, Inc. All rights reserved. 19. 30