One-step equations: addition

Difficulty Starter · Set 7r4lik

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

1
Solve for x:x+2=14x =
2
Solve for x:x+8=17x =
3
Solve for x:x+5=15x =
4
Solve for x:x+9=12x =
5
Solve for x:x+9=15x =
6
Solve for x:x+7=16x =
7
Solve for x:x+8=20x =
8
Solve for x:x+2=9x =
9
Solve for x:x+3=12x =
10
Solve for x:x+6=8x =
11
Solve for x:x+5=17x =
12
Solve for x:x+9=16x =
13
Solve for x:x+3=10x =
14
Solve for x:x+8=19x =
15
Solve for x:x+7=9x =
16
Solve for x:x+9=15x =
17
Solve for x:x+3=7x =
18
Solve for x:x+2=7x =
19
Solve for x:x+7=18x =
20
Solve for x:x+8=18x =

What is in this set

The numbers in this set run from 2 to 21.
Every problem in it will take one step.
A careful solution takes 1 written step on average.
The mistake this set invites most often, in 100% of the problems: 4 was added to both sides instead of taken away.
Answers are a whole number.

Drawing 240 problems from this page produced 81 different ones, 34% — 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.

Next to this

One-step equations: subtraction

Numbers 1–10; every one will take one step.

Two-step equations

Numbers 2–58; every one will take two steps.

All of algebra

22 skills in this topic, 65 sets between them.

Printing it

The printed sheet carries no menus and no advertising, and the answer key is on its own page.