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 + 4 = 30 + 20 = 50
|
30 + 20 = 50
|
39 + 14 =
|
39 + 1 = 40 + 13 = 53
|
39 + 13 = 53
|
57 + 24 =
|
57 + 3 = 40 + 50 = 90
|
50 + 40 = 90
|
49 + 13 =
|
49 + 1 = 50 + 12 = 113
|
50 + 50 = 100
|
38 + 24 =
|
38 + 2 = 40 + 30 = 70
|
40 + 30 = 70
|
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