Download - Subtract bridge 10 8 thurs.-gr.4

Transcript

Mental Math Strategy:

Subtraction-

Bridge 10 -8Gr. 4

120 - 80

=

180 - 80 =

100 - 80

=

170 - 80 =

90 - 80 =

130 - 80 =

170 - 80 =

110 - 80 =

140 - 80 =

160 - 80

=

80 - 80 =

110 - 80 =

150 - 80 =

120 - 80 =

180 - 80 =

130 - 80 =

140 - 80 =

100 - 80 =

150 - 80 =

160 - 80 =

90 - 80 =

80 - 80 =