Add −815+415.(1 point)
Responses
−415
negative Start Fraction 4 over 15 End Fraction
415
Start Fraction 4 over 15 End Fraction
−1215
negative Start Fraction 12 over 15 End Fraction
45
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−815+415 = -400
Add −1.2+7.6.(1 point)
Responses
−8.8
negative 8.8
8.8
8.8
6.4
6.4
−6.4
−1.2+7.6 = 6.4
Add −1310 +(−4215).(1 point)
Responses
−515
negative 5 Start Fraction 1 over 5 End Fraction
−256
negative 2 Start Fraction 5 over 6 End Fraction
−516
negative 5 Start Fraction 1 over 6 End Fraction
−51330
−1310 + (−4215) = −5525
Add −4.85+(−2.54).(1 point)
Responses
−7.39
negative 7.39
−6.39
negative 6.39
2.31
2.31
−2.31
−4.85 + (−2.54) = −7.39
Add 4.6+(−9.04).(1 point)
Responses
13.64
13.64
−4.44
negative 4.44
−13.64
negative 13.64
4.44