Åk 6–9
 
English/Soomaali
5.1 Addition and Subtraction Part of the Same Size


Words
3 tenths
+
2 tenths
=
5 tenths
Fraction Form
+
=
Pictures
+
=
           
Decimal Form
0.3
+
0.2
=
0.5



Words
6 tenths
-
2 tenths
=
4 tenths
Fraction Form
-
=
Pictures
-
=
           
Decimal Form
0.6
-
0.2
=
0.4




Here is an example where we add the parts of the same sort and get a result larger than one.

Words
7 tenths
+
5 tenths
=
1 whole 2 tenths
Fraction Form
+
=
=
Pictures
+
=

           
Decimal Form
0.7
+
0.5
=
1.2




Here is a last example where we subtract parts of the same sort.

Words
7 fifths
-
4 fifths
=
3 fifths
Fraction Form
-
=

Expanded to tenths

-
=
Pictures

-
=
Decimal Form
1.4
-
0.8
=
0.6