Book a Demo
Topics
N
u
m
b
e
r
(
4
o
p
s
a
n
d
m
i
x
e
d
)
W
r
i
t
e
n
u
m
b
e
r
s
e
n
t
e
n
c
e
s
t
h
a
t
i
n
v
o
l
v
e
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
B
a
l
a
n
c
i
n
g
w
i
t
h
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
S
o
l
v
e
p
r
o
b
l
e
m
s
w
i
t
h
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
W
r
i
t
e
n
u
m
b
e
r
s
e
n
t
e
n
c
e
s
t
h
a
t
i
n
v
o
l
v
e
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
I
B
a
l
a
n
c
i
n
g
w
i
t
h
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
I
S
o
l
v
e
p
r
o
b
l
e
m
s
w
i
t
h
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
I
C
h
e
c
k
i
n
g
r
e
a
s
o
n
a
b
l
e
n
e
s
s
o
f
c
a
l
c
u
l
a
t
i
o
n
s
W
r
i
t
e
n
u
m
b
e
r
s
e
n
t
e
n
c
e
s
w
i
t
h
g
r
o
u
p
i
n
g
s
y
m
b
o
l
s
O
r
d
e
r
o
f
o
p
e
r
a
t
i
o
n
s
E
v
a
l
u
a
t
e
e
x
p
r
e
s
s
i
o
n
s
t
h
a
t
i
n
c
l
u
d
e
g
r
o
u
p
i
n
g
s
y
m
b
o
l
s
B
a
l
a
n
c
i
n
g
w
i
t
h
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
I
I
S
o
l
v
e
p
r
o
b
l
e
m
s
w
i
t
h
m
i
x
e
d
o
p
e
r
a
t
i
o
n
s
I
I
I
P
r
o
p
e
r
t
i
e
s
o
f
o
p
e
r
a
t
i
o
n
s
P
r
o
b
l
e
m
s
o
l
v
i
n
g
f
o
r
a
g
o
l
f
c
o
u
r
s
e
(
I
n
v
e
s
t
i
g
a
t
i
o
n
)
A
s
a
v
i
n
g
s
p
l
a
n
u
s
i
n
g
m
u
l
t
i
p
l
i
c
a
t
i
o
n
o
r
d
i
v
i
s
i
o
n
(
I
n
v
e
s
t
i
g
a
t
i
o
n
)
Lesson
A
d
d
i
t
i
o
n
V
S
M
u
l
t
i
p
l
i
c
a
t
i
o
n
(
I
n
v
e
s
t
i
g
a
t
i
o
n
)
M
i
x
e
d
q
u
e
s
t
i
o
n
s
o
n
4
o
p
e
r
a
t
i
o
n
s
w
i
t
h
n
u
m
b
e
r
Log in
Sign up
Book a Demo
United Kingdom
England
KeyStage 2 Upper
A savings plan using multiplication or division (Investigation)
Lesson
Interactive practice questions
There are no interactive problems for this subtopic
What is Mathspace
About Mathspace
