1. Calculate the following.
a). -5 + 13 = ........... d). 23 + -12) =............ g). 25 + -66) =..............
b) -11+ 19 = ........... e). -37 + 22 =............ h). 74 + -89) =..............
c) 14 + -7) = ........... f). -45 + 19 =............ i). 101 + -200) =.............
2. Evaluasi the following.
a). -7 +(-11) + 9 = ....... e). 51 + 14 + (-100) = ........
b). -10 + 17 + -21) = ...... f). -27 + 71+ 12 =........
c). 34 + (-18) + 9 =....... g). [-7 + (-14)] + [-45 + 92]=.......
d). 81 + (-6) + -62)=...... h). [31 + (-48)] + [-16+ (-120)=.......
3. The temperature of a piece of meat was -8 C whene it was taken out of a freezer.
After several minutes of warming, its temperature rose by 17 C. What was the
new temperature of the piece of meat ?
After several minutes of warming, its temperature rose by 17 C. What was the
new temperature of the piece of meat ?
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