Download Practice A

MCRBG-0101-PA.qxd
4-27-2001
9:53 AM
Page 14
LESSON
1.1
NAME _________________________________________________________ DATE ___________
Practice A
For use with pages 3–9
Lesson 1.1
Sketch the next figure in the pattern.
1.
2.
3.
4.
Describe a pattern in the sequence of numbers. Predict the next number.
5. 2, 5, 8, 11, . . .
6. 27, 9, 3, 1, . . .
7. 123, 234, 345, 456, . . .
8. 5, 7, 11, 17, 25, . . .
9.
1 2 3 4
, , , ,...
2 3 4 5
10.
11. 4, 1, 2, 5, . . .
5 4 3 2
, , , ,...
4 6 8 10
12. 1, 4, 9, 16, . . .
The first three objects in a pattern are shown. How many squares
are in the next object?
13.
14.
Complete the conjecture based on the pattern you observe in the
specific cases.
15. The product of an odd number and an even
number is
? .
3 8 24
11 24 264
14
16. The sum of an odd number and an even
number is
6 5 30
102 31 3162
Geometry
Chapter 1 Resource Book
? .
17 22 39
135 48 183
8 37 45
94 85 179
Copyright © McDougal Littell Inc.
All rights reserved.
MCRBG-0101-PA.qxd
4-27-2001
9:53 AM
Page 15
LESSON
1.1
NAME _________________________________________________________ DATE ___________
Practice B
For use with pages 3–9
Sketch the next figure in the pattern.
1.
2.
3.
4.
Lesson 1.1
Describe a pattern in the sequence of numbers. Predict the next number.
5. 113, 224, 335, 446, . . .
7.
6. 5, 7, 10, 14, 19, . . .
1 3 5 7
, , , ,...
2 3 4 5
8.
9. 4, 0, 4, 8, . . .
5 4 3 2
, , , ,...
6 5 4 3
10. 4, 9, 16, 25, . . .
11. 2, 5, 11, 23, . . .
12. 2, 5, 11, 20, 32, . . .
The first three objects in a pattern are shown. How many squares
are in the next object?
13.
14.
Show the conjecture is false by finding a counterexample.
15. The quotient of two whole numbers is a whole number.
16. The difference of the absolute value of two numbers is positive, meaning
a b > 0.
17. If m 1, then
m
< 1.
m1
Copyright © McDougal Littell Inc.
All rights reserved.
Geometry
Chapter 1 Resource Book
15
Answer Key
Practice A
1.
2.
3.
4.
In answers 5–12, the description of the pattern
may vary. A sample answer is given.
5. adding 3 to each term; 14 6. dividing each
term by 3; 13 7. add 111 to each term; 567
8. add consecutive even numbers; 35
5
9. add 1 to numerator and 1 to denominator; 6
10. subtract 1 from numerator, add 2 to
1
denominator; 12
11. subtract 3 from each term; 8
12. square numbers; 25 13. 13 14. 15
15. an even number 16. an odd number
Answer Key
Practice B
1.
2.
3.
4.
In answers 5–12, the description of the pattern
may vary. A sample answer is given.
5. add 111 to each term; 557 6. add consecutive
integers; 25 7. add 2 to numerator, add 1 to
denominator; 96 8. subtract 1 from numerator and
from denominator; 12 9. subtract 4
from each term; 12 10. square numbers; 36
11. Sample: double the number and add 1; 47 12.
Add consecutive multiples of 3; 47
13. 16 14. 20
15. Answers may vary. Sample: 2 4 0.5
16. Answers may vary. Sample: 3 4 1
2
17. Answers may vary. Sample:
2
2 1