What model can you use to represent 16÷4?(1 point)
Responses
−4−4−4−4=−16
16−4−4−4−4=16−4(4)=0
4+4+4+4=16
−16−(−4)−(−4)−(−4)−(−4)=0
9 answers
The correct model to represent 16÷4 is 4+4+4+4=16.
What division does the model represent?
−24−(−8)−(−8)−(−8)=−24−3(−8)=0
(1 point)
Responses
−24÷−3
3⋅(−8)
24÷8
−24÷−8
−24−(−8)−(−8)−(−8)=−24−3(−8)=0
(1 point)
Responses
−24÷−3
3⋅(−8)
24÷8
−24÷−8
The model represents the division -24÷-8.
What model can you use to represent 10÷0?(1 point)
Responses
10÷0 is undefined because you cannot divide by 0.
0+0=0
0−0(10)=0
0+0+0+0+0+0+0+0+0+0=0
Responses
10÷0 is undefined because you cannot divide by 0.
0+0=0
0−0(10)=0
0+0+0+0+0+0+0+0+0+0=0
The correct response is: 10÷0 is undefined because you cannot divide by 0.
What does the model represent?
−15+3+3+3+3+3=−15+5(3)=0
(1 point)
Responses
15÷3
3⋅−5
−15÷−5
−15÷3
−15+3+3+3+3+3=−15+5(3)=0
(1 point)
Responses
15÷3
3⋅−5
−15÷−5
−15÷3
The model represents the division -15÷-5.
What model can you use to represent 28÷−7?(1 point)
Responses
(−7)+(−7)+(−7)+(−7)=4(−7)=−28
28−4−4−4−4−4−4−4=28−7(4)=0
−28−(−7)−(−7)−(−7)−(−7)=0
28+(−7)+(−7)+(−7)+(−7)=28+4(−7)=0
Responses
(−7)+(−7)+(−7)+(−7)=4(−7)=−28
28−4−4−4−4−4−4−4=28−7(4)=0
−28−(−7)−(−7)−(−7)−(−7)=0
28+(−7)+(−7)+(−7)+(−7)=28+4(−7)=0
The correct model to represent 28÷-7 is (-7)+(-7)+(-7)+(-7)=4(-7)=-28.
1 answer