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1st Grade Math Worksheet: Finish the Pattern

A black and white 1st grade math worksheet titled "FINISH the PATTERN" with five rows of number sequences to complete, featuring a chalice and grapes illustration and the IHS symbol.

A black and white 1st grade math worksheet titled "FINISH the PATTERN" with five rows of number sequences to complete, featuring a chalice and grapes illustration and the IHS symbol.

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ID: #497660
Show Answer Key & Explanations Step-by-step solution for: Finish The Pattern - 1st Grade Math Worksheet Catholic ...
Absolutely! Let’s solve each number pattern one by one. The goal is to find the rule (or pattern) in each sequence and then continue it by filling in the blanks.

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Pattern 1:
> 1, 2, 3, 4, 5, __, __, __, __, __

Rule: Count up by 1 each time (adding 1).

So after 5:
- 5 + 1 = 6
- 6 + 1 = 7
- 7 + 1 = 8
- 8 + 1 = 9
- 9 + 1 = 10

Answer: 6, 7, 8, 9, 10

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Pattern 2:
> 2, 4, 6, 8, 10, __, __, __, __, __

Rule: Even numbers — or add 2 each time.

After 10:
- 10 + 2 = 12
- 12 + 2 = 14
- 14 + 2 = 16
- 16 + 2 = 18
- 18 + 2 = 20

Answer: 12, 14, 16, 18, 20

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Pattern 3:
> 3, 6, 9, 12, 15, __, __, __, __, __

Rule: Multiples of 3 — or add 3 each time.

After 15:
- 15 + 3 = 18
- 18 + 3 = 21
- 21 + 3 = 24
- 24 + 3 = 27
- 27 + 3 = 30

Answer: 18, 21, 24, 27, 30

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Pattern 4:
> 10, 20, 30, 40, 50, __, __, __, __

Rule: Multiples of 10 — or add 10 each time.

After 50:
- 50 + 10 = 60
- 60 + 10 = 70
- 70 + 10 = 80
- 80 + 10 = 90

Answer: 60, 70, 80, 90

*(Note: This row has only 4 blanks, so we fill 4 numbers.)*

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Pattern 5:
> 10, 9, 8, 7, 6, __, __, __, __, __

Rule: Count down by 1 each time (subtracting 1).

After 6:
- 6 - 1 = 5
- 5 - 1 = 4
- 4 - 1 = 3
- 3 - 1 = 2
- 2 - 1 = 1

Answer: 5, 4, 3, 2, 1

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## Final Answers:

1. 6, 7, 8, 9, 10
2. 12, 14, 16, 18, 20
3. 18, 21, 24, 27, 30
4. 60, 70, 80, 90
5. 5, 4, 3, 2, 1

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This worksheet helps build foundational math skills like recognizing number sequences, counting forward/backward, and understanding multiples — perfect for 1st grade! 🎯
Parent Tip: Review the logic above to help your child master the concept of pattern boxes worksheet.
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