Download Unit 4-7 A Riddle with 9 Count-bys

Name
4–7
Date
A Riddle with 9 Count-bys
Riddle: What 10-letter invention saves us steps?
2.
Ring each letter above a 9 count-by.
A
B
C
D
E
F
G
H
I
J
K
L
M
36
27
11
71
9
73
61
55
63
17
22
54
18
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
33
72
46
13
20
64
45
81
19
25
37
49
52
Write the ringed letters from exercise 1 in alphabetical order in the table below.
1
3.
3
4
5
6
7
8
9
Use the code from exercise 2 to rearrange the letters to answer the riddle.
1
4.
2
9
8
7
6
7
2
4
5
3
Add the digits from the tens and ones place in each of the ringed numbers
from exercise 1. What do you notice?
Copyright © Houghton Mifflin Company. All rights reserved.
1.
Name
4–7
Date
A Riddle with 9 Count-bys
Riddle: What 10-letter invention saves us steps?
2.
3.
4.
Ring each letter above a 9 count-by.
A
B
C
D
E
F
G
H
I
J
K
L
M
36
27
11
71
9
73
61
55
63
17
22
54
18
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
33
72
46
13
20
64
45
81
19
25
37
49
52
Write the ringed letters from exercise 1 in alphabetical order in the table below.
A
B
E
I
L
M
O
T
U
1
2
3
4
5
6
7
8
9
Use the code from exercise 2 to rearrange the letters to answer the riddle.
A
U
T
O
M
O
B
I
L
E
1
9
8
7
6
7
2
4
5
3
Add the digits from the tens and ones place in each of the ringed numbers
from exercise 1. What do you notice?
Answers will vary. Possible answer: The sum of the
digits in each count-by of 9 is 9.
Copyright © Houghton Mifflin Company. All rights reserved.
1.