How Much Longer? is a free printable Grade 1 math worksheet on finding a difference in length, aligned to Common Core standard 1.MD.A.1. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 23 of 25 · the same problems every time you open this link.

One paper per student

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

How Much Longer?

1.MD.A.1

NameDate

Work out each answer.

1.How much longer is 17 cubes than 14 cubes?

2.How much longer is 28 cubes than 26 cubes?

3.How much longer is 30 cubes than 20 cubes?

4.How much longer is 24 cubes than 3 cubes?

5.How much longer is 19 cubes than 10 cubes?

6.How much longer is 17 cubes than 11 cubes?

7.How much longer is 17 cubes than 6 cubes?

8.How much longer is 27 cubes than 3 cubes?

9.How much longer is 8 cubes than 7 cubes?

10.How much longer is 18 cubes than 17 cubes?

11.How much longer is 12 cubes than 11 cubes?

12.How much longer is 9 cubes than 3 cubes?

LessonPrint · 1.MD.A.1 · Set 23 · free to copy for classroom use

Answer key — How Much Longer?

Set 23. Prints on its own sheet.

1.3 cubes
2.2 cubes
3.10 cubes
4.21 cubes
5.9 cubes
6.6 cubes
7.11 cubes
8.24 cubes
9.1 cube
10.1 cube
11.1 cube
12.6 cubes

Last reviewed 2026-09-05. Aligned to 1.MD.A.1 of the Common Core State Standards for Mathematics.