← Back to Skip Counting

Skip Counting - Worksheet 9 - 1st Grade

Hard

Count by 2s, 5s, and 10s (Hard)

23 problems · 10-15 minutes · Skills: skip counting, patterns

About This Worksheet

This hard-level worksheet contains 23 problems designed for 1st Grade students practicing skip counting. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.

Skip counting is one of the first steps toward multiplication. It also helps with counting money and telling time.

How to Solve: Worked Example

Example Problem: Count by 10s: 30, ___, ___, 60
Solution Steps:
  1. Each number increases by 10.
  2. 30 + 10 = 40. That's the first blank.
  3. 40 + 10 = 50. That's the second blank.
  4. Check: 50 + 10 = 60. Correct!
Answer: 40, 50
Tip: When skip counting by 10, only the tens digit changes — the ones digit stays the same.
1
Count by 5s: 200, ___, 210, ___
2
Count by 10s: 60, ___, ___, 90
3
Count by 10s: 40, ___, ___, 70
4
Count by 2s: 72, ___, 76, ___
5
Count by 5s: 120, ___, 130, ___
6
Count by 2s: 52, ___, 56, ___
7
Count by 10s: 30, ___, ___, 60
8
Count by 5s: 215, ___, 225, ___
9
Count by 2s: 76, ___, 80, ___
10
Count by 10s: 40, ___, ___, 70
11
Count by 2s: 74, ___, 78, ___
12
Count by 10s: 10, ___, ___, 40
13
Count by 5s: 250, ___, 260, ___
14
Count by 10s: 10, ___, ___, 40
15
Count by 10s: 70, ___, ___, 100
16
Count by 10s: 70, ___, ___, 100
17
Count by 5s: 195, ___, 205, ___
18
Count by 10s: 20, ___, ___, 50
19
Count by 10s: 30, ___, ___, 60
20
Count by 5s: 120, ___, 130, ___
21
Count by 5s: 215, ___, 225, ___
22
Count by 2s: 66, ___, 70, ___
23
Count by 10s: 40, ___, ___, 70

Answer Key

1. 205, 2152. 70, 803. 50, 604. 74, 785. 125, 1356. 54, 587. 40, 508. 220, 2309. 78, 8210. 50, 6011. 76, 8012. 20, 3013. 255, 26514. 20, 3015. 80, 9016. 80, 9017. 200, 21018. 30, 4019. 40, 5020. 125, 13521. 220, 23022. 68, 7223. 50, 60

Frequently Asked Questions

How do I download this skip counting - 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 23 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included.