Writing a two-step expression from words

Difficulty Standard · Set krrwdv

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

1
Write this as an expression, the k term first: 1 more than 8 times k.
2
Write this as an expression, the k term first: 2 more than 7 times k.
3
Write this as an expression, the x term first: 5 more than 7 times x.
4
Write this as an expression, the n term first: 8 more than 4 times n.
5
Write this as an expression, the n term first: 2 more than 2 times n.
6
Write this as an expression, the n term first: 9 more than 8 times n.
7
Write this as an expression, the n term first: 6 more than 10 times n.
8
Write this as an expression, the n term first: 5 more than 8 times n.
9
Write this as an expression, the x term first: 8 more than 8 times x.
10
Write this as an expression, the k term first: 5 more than 8 times k.
11
Write this as an expression, the n term first: 9 more than 3 times n.
12
Write this as an expression, the n term first: 6 more than 8 times n.
13
Write this as an expression, the k term first: 7 more than 7 times k.
14
Write this as an expression, the x term first: 9 more than 9 times x.
15
Write this as an expression, the k term first: 4 more than 10 times k.
16
Write this as an expression, the n term first: 7 more than 10 times n.
17
Write this as an expression, the k term first: 9 more than 3 times k.
18
Write this as an expression, the n term first: 7 more than 5 times n.
19
Write this as an expression, the n term first: 3 more than 3 times n.
20
Write this as an expression, the k term first: 1 more than 6 times k.

What is in this set

The numbers in this set run from 1 to 10.
Every problem in it will have to be written down from a sentence.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 38% of the problems: the same expression, written the other way round.
Answers are a short answer exactly as the problem asks for it.

Drawing 240 problems from this page produced 159 different ones, 66% — 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.