Know Even and Odd Numbers

NS 1.1*2$
Read and
write whole numbers in the millions.
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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