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Q: MS Diaz wants to divide her class of 30 students into 10 groups the groups do not need to be equal size what are some of her choices?

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7 because we will divide 31 ÷4

15 or any multiple of 15, including 15 trillion which is greater than the human popluation, but that is maths for you!

20 x 19 x 18/3 x 2 = 1,140 groups

2 groups of 16, 4 groups of 8, 8 groups of 4, 16 groups of 2. Not really divided or in groups, but there could be 1 group of 32 or everyone by themselves.

we can make 1 group

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7 because we will divide 31 ÷4

15 or any multiple of 15, including 15 trillion which is greater than the human popluation, but that is maths for you!

There are five ways to do this, if you include 32 'groups' with one member each.The others are 2 groups of 16, 4 groups of 8, 8 groups of 4 and 16 groups of 2.

6 ways of course.

they can be 2 groups of 16, 4 groups of 8, 8 groups of 4, or 16 groups of 2

30C8 = 5,852,925

20 x 19 x 18/3 x 2 = 1,140 groups

2 groups of 16, 4 groups of 8, 8 groups of 4, 16 groups of 2. Not really divided or in groups, but there could be 1 group of 32 or everyone by themselves.

The standard collective noun for the noun 'class' is 'a class of students'.Example: A class of students painted the mural in the school lobby.The noun 'class' is a general collective noun for groups of people or things.Example: We cater to a very selective class of clients.

we can make 1 group

3 students can be chosen from a class of 30 in (30 x 29 x 28) = 24,360 ways.But each group of the same 3 students will be chosen in six different ways.The number of different groups of 3 is 24,360/6 = 4,060 .

It is not easy to teach a class of students which a wide range of skills and abilities. Sometimes, grouping students according to similar skills can be helpful. You can then work in small groups with the students.