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MemberJuly 15, 2020 at 4:36 pm
There are 4 geese swimming in a slough. 6 more come to swim. How many geese are there altogether?
The student might describe the comparison by counting out a set of 4 counters and a set of 6 counters. Then he/she might place the counters on a ten frame and notice that 5 and 5 make 10. Making friendly numbers/compensation.