From the large-group dialogue about the last problem in the number string, 46 + 39, four...

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From the large-group dialogue about the last problem in the number string, 46 + 39, four student approaches arose for the five problems: compensation, two jump strategies, and decomposing. 33+10=43 33+14:47 33+24=57 46+39 46+40=86 Yo 6 30 9 46+39-85 46 56 (-1) (+1) 45+40-85 Compensation 8-24 40+30-70 6+9=15 70+15=85 76 LEAPSO! 46+39=45+40 DECOMPOSING 77+15=92 10-22-32 8586 Describe one of the student approaches (compensation, two jump strategies, or decomposing), and share how it demonstrates the students' understanding of addition. From the large-group dialogue about the last problem in the number string, 46 + 39, four student approaches arose for the five problems: compensation, two jump strategies, and decomposing. 33+10=43 33+14:47 33+24=57 46+39 46+40=86 Yo 6 30 9 46+39-85 46 56 (-1) (+1) 45+40-85 Compensation 8-24 40+30-70 6+9=15 70+15=85 76 LEAPSO! 46+39=45+40 DECOMPOSING 77+15=92 10-22-32 8586 Describe one of the student approaches (compensation, two jump strategies, or decomposing), and share how it demonstrates the students' understanding of addition.