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Number Patterns - Worksheet 9 - 1st Grade

Hard

Identify and extend number patterns (Hard)

18 problems · 10-15 minutes · Skills: pattern recognition, critical thinking

About This Worksheet

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

Pattern recognition is a core mathematical skill. It develops logical thinking and prepares children for algebra.

How to Solve: Worked Example

Example Problem: 40, 35, 30, ___
Solution Steps:
  1. Find the step: 35 − 40 = −5. The pattern subtracts 5.
  2. This is a decreasing pattern.
  3. 30 − 5 = 25.
Answer: 25
Tip: Patterns can go up or down! Look carefully at whether numbers are increasing or decreasing.
1
5, 11, ___, ___, 29
2
51, 46, 41, ___
3
5, 9, ___, ___, 21
4
15, 20, ___, ___, 35
5
10, 15, ___, ___, 30
6
31, 29, 27, ___
7
30, 27, 24, ___
8
6, 10, ___, ___, 22
9
19, 23, ___, ___, 35
10
49, 47, 45, ___
11
17, 20, ___, ___, 29
12
13, 20, ___, ___, 41
13
12, 18, ___, ___, 36
14
35, 31, 27, ___
15
51, 46, 41, ___
16
42, 40, 38, ___
17
14, 21, ___, ___, 42
18
16, 21, ___, ___, 36

Answer Key

1. 17, 232. 363. 13, 174. 25, 305. 20, 256. 257. 218. 14, 189. 27, 3110. 4311. 23, 2612. 27, 3413. 24, 3014. 2315. 3616. 3617. 28, 3518. 26, 31

Frequently Asked Questions

How do I download this number patterns - 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.