Make sure to round UP to the nearest 10 before adding the rest,
Question
|
Working Out
|
Answer
|
27 + 16 =
|  |
43
|
35 + 19 =
|  |
54
|
48 + 23 =
|  |
71
|
56 + 14 =
|  |
70
|
27 + 26 =
|  |
53
|
68 + 15 =
|  |
83
|
93 + 48 =
|  |
141
|
Can you solve these problems without using the DLO?
Question
|
Working Out
|
Answer
|
35 + 18 =
|
35 + 5 = 40 + 13 = 53
|
35 + 18 = 53
|
26 + 25 =
|
26+20=46+5=51
|
26+25=51
|
39 + 14 =
|
39+4=43+10=53
|
39 + 14=53
|
57 + 24 =
|
57+20=77+4=81
|
57+24=81
|
49 + 13 =
|
49+10=59+3=62
|
49+13=62
|
38 + 24 =
|
38+20=58+4=62
|
38 +24=62
|
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