Mathematics, 31.07.2020 05:01 xoxo12376
Elena used math facts as an anchor to find the sum of
5 and 7. Her work is shown
In which step did her first error occur?
Step 1: The phrase "sum of" means addition,
Step 2 5+5 = 10
Step 3 Since 7 is 2 more than 5, 2 more need to be
added to 10
Step 4. Therefore, 5 + 7 = 8.
O Step 1
O Step 2
O Step 3
O Step 4
Answers: 1
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Elena used math facts as an anchor to find the sum of
5 and 7. Her work is shown
In which ste...
In which ste...