Question
Tell whether the sum is positive, negative, or zero. Explain
n is positive and m is negative. n + (-m) is ?
n is positive and m is negative. n + (-m) is ?
Answers
Ms. Sue
2 + 1 =
4 + 5 =
6 + 7 =
What do you think?
4 + 5 =
6 + 7 =
What do you think?