Book a Demo
Topics
N
u
m
b
e
r
(
a
d
d
/
s
u
b
)
A
d
d
3
n
u
m
b
e
r
s
(
m
i
x
o
f
s
i
n
g
l
e
o
r
t
w
o
d
i
g
i
t
n
u
m
b
e
r
s
)
A
d
d
a
n
d
s
u
b
t
r
a
c
t
t
h
r
e
e
d
i
g
i
t
n
u
m
b
e
r
s
I
A
d
d
a
n
d
s
u
b
t
r
a
c
t
t
h
r
e
e
d
i
g
i
t
n
u
m
b
e
r
s
I
I
A
d
d
a
n
d
s
u
b
t
r
a
c
t
f
o
u
r
d
i
g
i
t
n
u
m
b
e
r
s
I
A
d
d
a
n
d
s
u
b
t
r
a
c
t
f
o
u
r
d
i
g
i
t
n
u
m
b
e
r
s
I
I
W
o
r
d
p
r
o
b
l
e
m
s
I
U
s
e
r
o
u
n
d
i
n
g
t
o
e
s
t
i
m
a
t
e
s
o
l
u
t
i
o
n
s
f
o
r
a
d
d
i
t
i
o
n
a
n
d
s
u
b
t
r
a
c
t
i
o
n
Lesson
P
a
t
t
e
r
n
s
i
n
a
d
d
i
t
i
o
n
a
n
d
s
u
b
t
r
a
c
t
i
o
n
I
P
a
t
t
e
r
n
s
i
n
a
d
d
i
t
i
o
n
a
n
d
s
u
b
t
r
a
c
t
i
o
n
I
I
C
o
m
p
l
e
t
e
s
t
a
t
e
m
e
n
t
s
t
o
m
a
k
e
a
t
a
r
g
e
t
n
u
m
b
e
r
u
p
t
o
1
0
0
A
d
d
3
n
u
m
b
e
r
s
(
m
i
x
o
f
s
i
n
g
l
e
,
t
w
o
a
n
d
t
h
r
e
e
d
i
g
i
t
n
u
m
b
e
r
s
)
W
o
r
d
p
r
o
b
l
e
m
s
I
I
Log in
Sign up
Book a Demo
India
Class IV
Use rounding to estimate solutions for addition and subtraction
Lesson
Interactive practice questions
There are no interactive problems for this subtopic
What is Mathspace
About Mathspace