Dividing positive and negative numbers

Difficulty Stretch · Set 2ziop5

Fill in what you can and press Check. Nothing you type is sent anywhere.

1
(-108)÷(-12)=
2
(-36)÷(-9)=
3
(-100)÷10=
4
(-33)÷3=
5
(-90)÷9=
6
42÷(-6)=
7
(-72)÷(-8)=
8
(-27)÷(-9)=
9
(-20)÷5=
10
(-56)÷(-4)=
11
72÷(-12)=
12
(-25)÷5=
13
81÷(-9)=
14
(-108)÷(-12)=
15
(-130)÷(-10)=
16
(-48)÷(-12)=
17
(-70)÷(-7)=
18
48÷(-8)=
19
(-132)÷12=
20
(-12)÷(-2)=

What is in this set

The numbers in this set run from 2 to 192.
66% of them have exactly one negative.
34% of them have a negative on both sides.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 66% of the problems: the sign came out wrong: one negative and one positive give a negative.
Answers are a whole number.

Drawing 240 problems from this page produced 192 different ones, 80% — so a sheet of 20 is a new sheet almost every time.

The same skill, harder or easier

We would put this in front of a grade 7 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.