Book a Demo
Select a topic
HK 6
Change textbook
M
u
l
t
i
p
l
i
c
a
t
i
o
n
T
a
b
l
e
s
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
2
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
4
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
8
M
i
x
e
d
M
u
l
t
i
p
l
i
c
a
t
i
o
n
s
2
,
4
,
8
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
1
0
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
5
M
i
x
e
d
M
u
l
t
i
p
l
i
c
a
t
i
o
n
s
2
,
4
,
8
,
5
,
1
0
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
3
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
9
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
6
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
7
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
1
1
M
u
l
t
i
p
l
i
c
a
t
i
o
n
x
1
2
M
i
x
e
d
M
u
l
t
i
p
l
i
c
a
t
i
o
n
s
2
-
1
2
E
x
t
e
n
d
i
n
g
m
u
l
t
i
p
l
i
c
a
t
i
o
n
t
o
l
a
r
g
e
r
n
u
m
b
e
r
s
E
x
t
e
n
d
i
n
g
m
u
l
t
i
p
l
i
c
a
t
i
o
n
t
o
s
m
a
l
l
e
r
n
u
m
b
e
r
s
M
i
x
e
d
s
e
t
o
n
e
x
t
e
n
d
i
n
g
m
u
l
t
i
p
l
i
c
a
t
i
o
n
D
e
c
i
m
a
l
s
P
e
r
c
e
n
t
a
g
e
s
R
a
t
e
s
M
e
a
s
u
r
e
m
e
n
t
G
e
o
m
e
t
r
y
N
u
m
b
e
r
P
a
t
t
e
r
n
s
E
q
u
a
t
i
o
n
s
D
a
t
a
Log in
Sign up
Book a Demo
Select a subtopic to start exploring