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20 questions
Calculate 32−(−34)
−32
-2
2
3
Which statement is correct?
−32=3 2
−3 2<0
−3 2>6 1
−3 2+3 1=3 1
Calculate −52+(−51)
−5 3
−5 1
5 1
5 3
Calculate 3 2−(−54)
522=4 52
−43
152
1522=1 157
Calculate −5 3+(−31)
−154
1514
−1514
−83
Which statement is correct?
−2 21− 3 4 3= 6 4 1
−2 31− (−4 2 1)=−2 6 1
−2 7 3+(−4 4 3)=−7 28 5
−17 3 1−14 21=31 65
Calculate −8 3×−54
103
−103
1312
407
Calculate −32×1 2 1
1
−1 31
− 32
−1
Which statement is incorrect?
3÷(−5 2)=−7 21
4 1÷(−53)=−125
−8 5÷(−2425)=53
−32÷5=152
Carry out the division −436
9
−9
−12
−23
Calculate −ba×(dc)
bdac
−bdac
−bcad
−bd−ac
Calculate (−83)2
166
−649
89−1 81
649
Which statement/s are always correct?
Negative number + negative number = positive number
Negative number − negative number = positive number
Negative number ÷ negative number = positive number
Negative number × negative number = positive number
Calculate −4 1÷(−72)
−87
−78=−1 7 1
87
142
Calculate −0.5 + (−0.25)
0.25
−0.25
−0.75
0.75
Calculate (−0.3)3
−0.9
−0.27
−0.027
0.027
Calculate 0.6÷(−0.03)
−2
−20
2
20
Calculate −0.2÷(−4)
0.05
−5
5
−0.5
If x=−21 evaluate 2x2
−21
−1
21
1
If a=−0.1, b=0.3 evaluate 2ab
−0.4
0.06
−0.6
−0.06
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