Asked by Mylen
Marcus wants to use a model to determine the difference
−
8
−
3
(
+
3
)
. He starts with 8 negative counters.
The figure shows 8 negative counters inside a closed shape.
He wants to add 3 positive counters to the model without changing the value. How can he do that?
A.
add 3 positive counters
B.
add 3 positive counters and take away 3 negative counters
C.
add 3 negative counters
−
8
−
3
(
+
3
)
. He starts with 8 negative counters.
The figure shows 8 negative counters inside a closed shape.
He wants to add 3 positive counters to the model without changing the value. How can he do that?
A.
add 3 positive counters
B.
add 3 positive counters and take away 3 negative counters
C.
add 3 negative counters
Answers
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