Subtracting mixed numbers

Difficulty Standard · Set 2avril

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1
358−249=
2
389−258=
3
235−217=
4
223−156=
5
412−159=
6
325−256=
7
357−315=
8
247−115=
9
2710−116=
10
418−345=
11
312−329=
12
212−216=
13
467−279=
14
218−145=
15
312−318=
16
423−312=
17
217−145=
18
2910−217=
19
247−225=
20
4910−338=

What is in this set

The numbers in this set run from 1 to 10.
Every problem in it will involve a mixed number.
32% of them need simplifying at the end.
A careful solution takes 4 written steps on average.
Answers are a mixed number, written like 2 1/3.

Drawing 240 problems from this page produced 228 different ones, 95% — 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

Adding mixed numbers

Numbers 1–10; 31% need simplifying at the end.

Multiplying two fractions

Numbers 1–12; 31% need simplifying at the end.

Dividing one fraction by another

Numbers 1–12; every one will need the divisor turned upside down.

All of fractions

24 skills in this topic, 71 sets between them.

Printing it

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