Share Mental math grade 1
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78 + 18
96
46 + 31
77
92 + 5
97
52 + 27
79
71 + 9
80
52 + 52
104
17 + 34
51
33 + 49
82
90 + 26
116
82 - 71
11
91 - 41
50
40 - 20
20
611- 307
304 three hundred four
364- 45
319 three hundred nineteen
50- 23
27 twenty- seven
82- 69
13 thirteen
