Multiplying by 10, 100 and 1000

Difficulty Stretch · Set nd4i05

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1
1924×1000=
2
3310×1000=
3
9612×10=
4
2762×10=
5
3593×1000=
6
3251×10=
7
9674×1000=
8
1286×100=
9
1358×100=
10
6775×10=
11
5888×10=
12
6289×10=
13
3924×1000=
14
3059×10=
15
5043×1000=
16
1535×100=
17
4110×1000=
18
8170×100=
19
7523×100=
20
5279×10=

What is in this set

The numbers in this set run from 10 to 9,984.
Every problem in it will move digits rather than compute.
A careful solution takes 1 written step on average.
The mistake this set invites most often, in 65% of the problems: one zero short.
Answers are a whole number.

Drawing 240 problems from this page produced 240 different ones, 100% — 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.

Next to this

2-digit × 1-digit multiplication, no carrying

Numbers 2–444; every one will come out column by column with nothing carried.

2-digit × 1-digit multiplication

Numbers 2–995; every one will need a carry into the next column.

All of multiplication

13 skills in this topic, 39 sets between them.

Printing it

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