Embed Size (px)
Citation preview
Empty number line
28 + 36 =
0
Empty number line
28 + 36 =
0 20
+20
Empty number line
28 + 36 =
0 20
+20
50
+30
Empty number line
28 + 36 =
0 20
+20
50
+30
58
+8
Empty number line
28 + 36 = 64
0 20
+20
50
+30
58
+8
64
+6
