← Back to Comparing Lengths

Comparing Lengths - Worksheet 9 - 1st Grade

Hard

Compare objects by length using longer, shorter, same (Hard)

18 problems · 10-15 minutes · Skills: measurement, comparison

About This Worksheet

This hard-level worksheet contains 18 problems designed for 1st Grade students practicing comparing lengths. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.

Comparing lengths develops spatial reasoning and lays the groundwork for standard measurement units and more advanced geometry.

How to Solve: Worked Example

Example Problem: A is 14 cm. B is 9 cm. How much longer is A than B?
Solution Steps:
  1. Find the difference: 14 − 9.
  2. 14 − 9 = 5.
  3. A is 5 cm longer than B.
Answer: 5 cm
Tip: "How much longer" always means subtraction — subtract the shorter from the longer.
1
A is 10 cm. B is 3 cm. How much longer is A than B?
2
Order shortest to longest: 14, 19, 23, 12
3
Order shortest to longest: 19, 20, 21, 11
4
Order shortest to longest: 25, 24, 11, 18
5
A is 11 cm. B is 4 cm. How much longer is A than B?
6
Order shortest to longest: 11, 23, 8, 22
7
A is 13 cm. B is 4 cm. How much longer is A than B?
8
A is 15 cm. B is 13 cm. How much longer is A than B?
9
Order shortest to longest: 19, 9, 18, 7
10
Order shortest to longest: 22, 23, 14, 17
11
Order shortest to longest: 10, 8, 21, 19
12
Order shortest to longest: 9, 12, 18, 14
13
Order shortest to longest: 10, 21, 17, 6
14
Order shortest to longest: 23, 20, 11, 6
15
Order shortest to longest: 14, 10, 21, 21
16
Order shortest to longest: 18, 15, 14, 23
17
A is 16 cm. B is 6 cm. How much longer is A than B?
18
A is 12 cm. B is 6 cm. How much longer is A than B?

Answer Key

1. 7 cm2. 12, 14, 19, 233. 11, 19, 20, 214. 11, 18, 24, 255. 7 cm6. 8, 11, 22, 237. 9 cm8. 2 cm9. 7, 9, 18, 1910. 14, 17, 22, 2311. 8, 10, 19, 2112. 9, 12, 14, 1813. 6, 10, 17, 2114. 6, 11, 20, 2315. 10, 14, 21, 2116. 14, 15, 18, 2317. 10 cm18. 6 cm

Frequently Asked Questions

How do I download this comparing lengths - worksheet 9 worksheet?

Click the "Download PDF / Print" button at the top of the worksheet. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

How many problems are on this worksheet?

This worksheet contains 18 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included.