Simple interest over several years

Difficulty Starter · Set tvpimd

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1
300 is invested at 10% simple interest for 2 years. How much interest is earned?
2
2000 is invested at 10% simple interest for 3 years. How much interest is earned?
3
2000 is invested at 10% simple interest for 3 years. How much interest is earned?
4
1100 is invested at 10% simple interest for 6 years. How much interest is earned?
5
1400 is invested at 5% simple interest for 2 years. How much interest is earned?
6
1800 is invested at 10% simple interest for 2 years. How much interest is earned?
7
500 is invested at 5% simple interest for 2 years. How much interest is earned?
8
1900 is invested at 5% simple interest for 3 years. How much interest is earned?
9
1000 is invested at 10% simple interest for 3 years. How much interest is earned?
10
600 is invested at 5% simple interest for 5 years. How much interest is earned?
11
2000 is invested at 5% simple interest for 2 years. How much interest is earned?
12
1700 is invested at 5% simple interest for 3 years. How much interest is earned?
13
1500 is invested at 5% simple interest for 5 years. How much interest is earned?
14
200 is invested at 5% simple interest for 6 years. How much interest is earned?
15
900 is invested at 5% simple interest for 2 years. How much interest is earned?
16
500 is invested at 5% simple interest for 2 years. How much interest is earned?
17
800 is invested at 5% simple interest for 6 years. How much interest is earned?
18
1100 is invested at 5% simple interest for 3 years. How much interest is earned?
19
300 is invested at 10% simple interest for 5 years. How much interest is earned?
20
1600 is invested at 10% simple interest for 2 years. How much interest is earned?

What is in this set

The numbers in this set run from 2 to 2,000.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 100% of the problems: that is the total at the end; the question asks for the interest on its own.
Answers are a whole number.

Drawing 240 problems from this page produced 132 different ones, 55% — 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 8 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.