MATHEMATICS
SUBTRACTION
EVENNUMBER
PROBLEMS
NUMBERS
DOZENS
TWENTY
SOLVE
SUM
S
D
M
O
O
P
E
Z
E
U
P
W
K
D
O
S
U
B
T
R
A
C
T
I
O
N
U
U
I
N
M
V
E
O
E
Y
T
N
E
W
T
E
U
S
Z
Q
L
B
D
Z
M
V
W
M
M
K
S
C
O
S
U
L
Y
T
P
J
M
M
A
S
H
I
B
O
U
E
A
A
B
C
I
V
V
N
I
T
A
L
L
M
D
O
Z
E
N
S
R
O
P
A
Y
V
S
S
A
O
E
F
Z
A
S
H
G
M
L
E
R
B
V
A
L
Q
R
N
Y
Y
S
E
O
R
E
B
M
U
N
N
E
V
E
G
A
H
M
M
B
T
V
E
W
X
Y
F
U
D
I
T
I
U
M
U
R
T
J
J
E
B
W
P
X
A
I
S
U
E
G
N
E
U
U
O
H
A
I
M
Y
N
N
Q
I
O
X
E
A
B
F
I
