CogAT Primary Number Series Practice for K-2

Primary Number Series questions use pictures such as beads or dots to help younger students find what comes next in a counting pattern.

These are original CogAT-style K-2 primary questions loaded from the CogAT.org database question bank. They use large visual prompts, picture-based answer choices, selectable answers, and parent-friendly explanations.

Free Primary Number Series Practice

Primary Number Series Practice

Select an answer for each question, then check your work to see the explanation.

Question 1 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0712 Primary Number Series sample question
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The odd-position groups form their own pattern, adding 2. The next odd-position count is 8.

Skill tested: Counting pattern and sequence reasoning

Question 2 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0240 Primary Number Series sample question
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The pattern alternates up 3 and down 1. The next count is 6.

Skill tested: Counting pattern and sequence reasoning

Question 3 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0189 Primary Number Series sample question
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The groups decrease by 1. After 6 comes 5.

Skill tested: Counting pattern and sequence reasoning

Question 4 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0266 Primary Number Series sample question
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Show explanation

The groups increase by 1. After 5 comes 6.

Skill tested: Counting pattern and sequence reasoning

Question 5 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0219 Primary Number Series sample question
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The amount taken away grows by 1 each time. The next count is 1.

Skill tested: Counting pattern and sequence reasoning

Question 6 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0419 Primary Number Series sample question
Choose the best answer:
Show explanation

The odd-position groups form their own pattern, adding 2. The next odd-position count is 13.

Skill tested: Counting pattern and sequence reasoning

Question 7 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0516 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 1, 6, 2. After 1 comes 6.

Skill tested: Counting pattern and sequence reasoning

Question 8 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0384 Primary Number Series sample question
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Show explanation

The groups increase by 1. After 12 comes 13.

Skill tested: Counting pattern and sequence reasoning

Question 9 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0451 Primary Number Series sample question
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Show explanation

The counts repeat in a three-part pattern: 6, 8, 5. After 6 comes 8.

Skill tested: Counting pattern and sequence reasoning

Question 10 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0571 Primary Number Series sample question
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Show explanation

The counts repeat in a three-part pattern: 9, 11, 2. After 9 comes 11.

Skill tested: Counting pattern and sequence reasoning

Question 11 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0359 Primary Number Series sample question
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The pattern alternates up 4 and down 3. The next count is 12.

Skill tested: Counting pattern and sequence reasoning

Question 12 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0574 Primary Number Series sample question
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Show explanation

The counts repeat in a three-part pattern: 12, 4, 5. After 12 comes 4.

Skill tested: Counting pattern and sequence reasoning

Question 13 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0315 Primary Number Series sample question
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Each count appears twice, then increases by 1. The next pair starts with 4.

Skill tested: Counting pattern and sequence reasoning

Question 14 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0704 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 1, 7, 5. After 1 comes 7.

Skill tested: Counting pattern and sequence reasoning

Question 15 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0576 Primary Number Series sample question
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Show explanation

The pattern goes up 1, up 1, then down 1. It starts again by going up 1 to 8.

Skill tested: Counting pattern and sequence reasoning

Question 16 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0215 Primary Number Series sample question
Choose the best answer:
Show explanation

The pattern goes up 1, up 1, then down 1. It starts again by going up 1 to 7.

Skill tested: Counting pattern and sequence reasoning

Question 17 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0503 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a two-part pattern: 4, 8. The next count is 4.

Skill tested: Counting pattern and sequence reasoning

Question 18 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0401 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 2, 7, 15. After 2 comes 7.

Skill tested: Counting pattern and sequence reasoning

How Parents Can Use This Practice

Encourage your child to describe the pattern out loud before choosing an answer.

  • Keep practice sessions short and positive.
  • Ask your child to explain the pattern or relationship in simple words.
  • Use missed questions to talk through the reasoning step, not just the answer.

More K-2 Primary Quantitative Practice

Try Primary Number Analogies and Primary Number Series.

You can also continue by grade: Kindergarten, Grade 1, or Grade 2.

CogAT.org is an independent educational resource and is not affiliated with or endorsed by the publisher of the Cognitive Abilities Test.

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