calculmental46

4 x 4
+
4 x 4
=
4 x 8
=
 
4 x 9
=
4 x 3
+
4 x 6
=
 

 

4 x 3 = 7 x 6 = 3 x 7 = 8 x 6 =
4 x 5 = 7 x 2 = 6 x 7 = 8 x 2 =
4 x 8 = 7 x 8 = 9 x 7 = 8 x 8 =

 

6 x 9
=
4 x 9
+
2 x 9
=
 
+
 
=
 
8 x 6
=
5 x 6
+
x 6
=
+
=
9 x 9
=
( 9 x 6 )
+
( 9 x )
=
+
=
8 x 7
=
( 5 x 7 )
+
( x )
=
+
=
9 x 8
=
( x )
+
( x )
=
+
=

 

 

calculmental47

2 x 6 = x 2 =
  x = x =
  x = x =

 

2 x 5 = 2 x 7 = 8 x 2 = 2 x 9 =
4 x 5 = 4 x 7 = 8 x 4 = 9 x 4 =
8 x 5 = 8 x 7 = 8 x 8 = 8 x 9 =

calculmental47b

  x =
  x = x =
  x = x =

 

3 x 7 = 5 x 3 = 3 x 8 = 9 x 3 =
9 x 7 = 5 x 9 = 8 x 9 = 9 x 9 =