Continuing an arithmetic sequence

Difficulty Starter · Set b8cs5z

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1
What comes next? 19, 26, 33, 40, 47, …
2
What comes next? 10, 16, 22, 28, 34, …
3
What comes next? 3, -4, -11, -18, -25, …
4
What comes next? 6, 15, 24, 33, 42, …
5
What comes next? 6, 2, -2, -6, -10, …
6
What comes next? 13, 24, 35, 46, 57, …
7
What comes next? 9, 14, 19, 24, 29, …
8
What comes next? 19, 22, 25, 28, 31, …
9
What comes next? 4, 11, 18, 25, 32, …
10
What comes next? 8, 15, 22, 29, 36, …
11
What comes next? 18, 14, 10, 6, 2, …
12
What comes next? 8, 11, 14, 17, 20, …
13
What comes next? 11, 20, 29, 38, 47, …
14
What comes next? 11, 19, 27, 35, 43, …
15
What comes next? 2, -10, -22, -34, -46, …
16
What comes next? 14, 17, 20, 23, 26, …
17
What comes next? 6, 11, 16, 21, 26, …
18
What comes next? 5, 8, 11, 14, 17, …
19
What comes next? 5, 11, 17, 23, 29, …
20
What comes next? 9, 21, 33, 45, 57, …

What is in this set

The numbers in this set run from 1 to 68.
Every problem in it will step by a constant amount.
26% of them run downwards.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 74% of the problems: the terms were doubled.
Answers are a whole number.

Drawing 240 problems from this page produced 170 different ones, 71% — 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 4 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.