Double Digit Addition
25+43=?
68
67-32=?
35
About how many is 43?
40
42
even
_____+5=15
10
58+31=?
89
94-43=?
51
About how many is 67?
70
13
odd
6+_____=13
7
16+26=?
42
50-25=?
25
About how many is 55?
60
158
even
3+______=12-6
3
74+19=?
93
93-67=?
26
Estimate the sum of 73+8=?
80
The sum of 28+34
Even (62)
20-10=3+____
7
59+48=?
107
88-56=?
32
Estimate the difference of 86-15=?
70
The difference of 89-26
Odd (63)
19-______=2+6
11