How many different combinations

Difficulty Standard · Set oerhh9

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1
There are 3 shirts and 9 pairs of trousers. How many different outfits are possible?
2
There are 7 shirts and 8 pairs of trousers. How many different outfits are possible?
3
There are 8 shirts and 3 pairs of trousers. How many different outfits are possible?
4
There are 9 routes to the station and 4 trains from it. How many different ways to make the journey are possible?
5
There are 4 main courses and 7 puddings. How many different two-course meals are possible?
6
There are 6 main courses and 4 puddings. How many different two-course meals are possible?
7
There are 6 main courses and 8 puddings. How many different two-course meals are possible?
8
There are 7 main courses and 6 puddings. How many different two-course meals are possible?
9
There are 5 main courses and 4 puddings. How many different two-course meals are possible?
10
There are 6 main courses and 8 puddings. How many different two-course meals are possible?
11
There are 9 main courses and 2 puddings. How many different two-course meals are possible?
12
There are 8 routes to the station and 7 trains from it. How many different ways to make the journey are possible?
13
There are 7 main courses and 3 puddings. How many different two-course meals are possible?
14
There are 9 shirts and 2 pairs of trousers. How many different outfits are possible?
15
There are 2 routes to the station and 3 trains from it. How many different ways to make the journey are possible?
16
There are 2 routes to the station and 6 trains from it. How many different ways to make the journey are possible?
17
There are 5 shirts and 9 pairs of trousers. How many different outfits are possible?
18
There are 7 routes to the station and 5 trains from it. How many different ways to make the journey are possible?
19
There are 4 main courses and 6 puddings. How many different two-course meals are possible?
20
There are 3 routes to the station and 5 trains from it. How many different ways to make the journey are possible?

What is in this set

The numbers in this set run from 2 to 9.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 97% of the problems: the two numbers were added; every one of the first can go with every one of the second, so they are multiplied.
Answers are a whole number.

Drawing 240 problems from this page produced 139 different ones, 58% — so a sheet of 20 will come back to a problem you have seen — there are only so many sensible ones of this kind.

The same skill, harder or easier

We would put this in front of a grade 6 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.