Divisibility tests

Difficulty Standard · Set vyzp6x

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1
Is 621 divisible by 9? Answer yes or no.
2
Is 470 divisible by 10? Answer yes or no.
3
Is 213 divisible by 3? Answer yes or no.
4
Is 9606 divisible by 3? Answer yes or no.
5
Is 6056 divisible by 4? Answer yes or no.
6
Is 4820 divisible by 4? Answer yes or no.
7
Is 333 divisible by 9? Answer yes or no.
8
Is 864 divisible by 9? Answer yes or no.
9
Is 180 divisible by 3? Answer yes or no.
10
Is 400 divisible by 5? Answer yes or no.
11
Is 126 divisible by 3? Answer yes or no.
12
Is 2842 divisible by 9? Answer yes or no.
13
Is 130 divisible by 10? Answer yes or no.
14
Is 9121 divisible by 10? Answer yes or no.
15
Is 176 divisible by 2? Answer yes or no.
16
Is 5036 divisible by 4? Answer yes or no.
17
Is 5170 divisible by 2? Answer yes or no.
18
Is 566 divisible by 10? Answer yes or no.
19
Is 370 divisible by 5? Answer yes or no.
20
Is 819 divisible by 9? Answer yes or no.

What is in this set

The numbers in this set run from 2 to 9,887.
63% of them divide exactly.
38% of them leave something over.
A careful solution takes 1 written step on average.
Answers are a short answer exactly as the problem asks for it.

Drawing 240 problems from this page produced 230 different ones, 96% — 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 5 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

Deciding whether a number is prime

Numbers 11–150; 78% are not prime.

Continuing an arithmetic sequence

Numbers 1–103; 23% run downwards.

Writing numbers as Roman numerals

Numbers 5–400; 63% add their letters straight through.

All of number sense

28 skills in this topic, 75 sets between them.

Printing it

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