Divisibility tests

Difficulty Starter · Set plxjcv

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1
Is 72 divisible by 2? Answer yes or no.
2
Is 42 divisible by 2? Answer yes or no.
3
Is 435 divisible by 5? Answer yes or no.
4
Is 9728 divisible by 2? Answer yes or no.
5
Is 9948 divisible by 2? Answer yes or no.
6
Is 800 divisible by 10? Answer yes or no.
7
Is 120 divisible by 10? Answer yes or no.
8
Is 350 divisible by 5? Answer yes or no.
9
Is 1550 divisible by 10? Answer yes or no.
10
Is 480 divisible by 10? Answer yes or no.
11
Is 22 divisible by 2? Answer yes or no.
12
Is 220 divisible by 5? Answer yes or no.
13
Is 220 divisible by 5? Answer yes or no.
14
Is 490 divisible by 10? Answer yes or no.
15
Is 52 divisible by 2? Answer yes or no.
16
Is 5316 divisible by 5? Answer yes or no.
17
Is 350 divisible by 5? Answer yes or no.
18
Is 6904 divisible by 10? Answer yes or no.
19
Is 960 divisible by 10? Answer yes or no.
20
Is 450 divisible by 10? Answer yes or no.

What is in this set

The numbers in this set run from 2 to 9,735.
65% of them divide exactly.
35% 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 221 different ones, 92% — 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 11–60; 78% are not prime.

Continuing an arithmetic sequence

Numbers 1–68; 26% run downwards.

Writing numbers as Roman numerals

Numbers 4–50; 64% 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.