Encourage students to use ten
frames, a number line, or 100 Chart.
Discuss with students what is
common in all these questions. See
if students can develop a
generalization about addition with
numbers that end in zero.
48
39
26
1
Strategies may vary. Possible
response: One more than 60 on
the number line is 61, so
1 + 60 = 61.
C. Strategies 1
40 + 8 = ______
30 + 9 = ______
6 + 20 = ______
______ + 60 = 61
Show or tell your strategy for solving Question D.
