Divisibility tests

Difficulty Stretch · Set ijyd1d

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1
Is 5140 divisible by 11? Answer yes or no.
2
Is 765 divisible by 9? Answer yes or no.
3
Is 9169 divisible by 8? Answer yes or no.
4
Is 488 divisible by 8? Answer yes or no.
5
Is 3889 divisible by 11? Answer yes or no.
6
Is 2543 divisible by 3? Answer yes or no.
7
Is 186 divisible by 6? Answer yes or no.
8
Is 348 divisible by 4? Answer yes or no.
9
Is 272 divisible by 8? Answer yes or no.
10
Is 6323 divisible by 6? Answer yes or no.
11
Is 568 divisible by 8? Answer yes or no.
12
Is 547 divisible by 8? Answer yes or no.
13
Is 464 divisible by 8? Answer yes or no.
14
Is 3011 divisible by 3? Answer yes or no.
15
Is 87 divisible by 3? Answer yes or no.
16
Is 994 divisible by 6? Answer yes or no.
17
Is 126 divisible by 6? Answer yes or no.
18
Is 1263 divisible by 6? Answer yes or no.
19
Is 196 divisible by 7? Answer yes or no.
20
Is 9077 divisible by 9? Answer yes or no.

What is in this set

The numbers in this set run from 3 to 9,963.
55% of them divide exactly.
45% 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 224 different ones, 93% — 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 12–400; 79% are not prime.

Continuing an arithmetic sequence

Numbers 2–237; 25% run downwards.

Writing numbers as Roman numerals

Numbers 8–1,973; 53% use a subtractive pair such as IV or XC.

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.