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 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0447 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a two-part pattern: 7, 2. The next count is 7.

Skill tested: Counting pattern and sequence reasoning

Question 2 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0649 Primary Number Series sample question
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The odd-position groups form their own pattern, adding 1. The next odd-position count is 14.

Skill tested: Counting pattern and sequence reasoning

Question 3 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0714 Primary Number Series sample question
Choose the best answer:
Show explanation

The odd-position groups form their own pattern, adding 3. The next odd-position count is 7.

Skill tested: Counting pattern and sequence reasoning

Question 4 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0522 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 5.

Skill tested: Counting pattern and sequence reasoning

Question 5 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0635 Primary Number Series sample question
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The counts repeat in a three-part pattern: 10, 3, 9. After 10 comes 3.

Skill tested: Counting pattern and sequence reasoning

Question 6 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0575 Primary Number Series sample question
Choose the best answer:
Show explanation

The pattern alternates adding 2 and adding 2. The next count is 11.

Skill tested: Counting pattern and sequence reasoning

Question 7 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0683 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 5, 2, 1. After 5 comes 2.

Skill tested: Counting pattern and sequence reasoning

Question 8 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0230 Primary Number Series sample question
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The pattern goes up 1, up 1, then down 2. It starts again by going up 1 to 4.

Skill tested: Counting pattern and sequence reasoning

Question 9 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0356 Primary Number Series sample question
Choose the best answer:
Show explanation

The odd-position groups form their own pattern, adding 3. The next odd-position count is 12.

Skill tested: Counting pattern and sequence reasoning

Question 10 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0690 Primary Number Series sample question
Choose the best answer:
Show explanation

The pattern alternates up 3 and down 1. The next count is 5.

Skill tested: Counting pattern and sequence reasoning

Question 11 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0428 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 5, 7, 3. After 5 comes 7.

Skill tested: Counting pattern and sequence reasoning

Question 12 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0510 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 8, 6, 1. After 8 comes 6.

Skill tested: Counting pattern and sequence reasoning

Question 13 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0184 Primary Number Series sample question
Choose the best answer:
Show explanation

The groups increase by 2. After 10 comes 12.

Skill tested: Counting pattern and sequence reasoning

Question 14 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0318 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 1, 9, 8. After 1 comes 9.

Skill tested: Counting pattern and sequence reasoning

Question 15 of 18

Primary Number Series Practice Question

Grade 1 · Level 7 · Medium

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0276 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 1, 6, 10. After 1 comes 6.

Skill tested: Counting pattern and sequence reasoning

Question 16 of 18

Primary Number Series Practice Question

Grade 2 · Level 8 · Hard

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0645 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 1, 10, 8. After 1 comes 10.

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-0498 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 7, 5, 3. After 7 comes 5.

Skill tested: Counting pattern and sequence reasoning

Question 18 of 18

Primary Number Series Practice Question

Kindergarten · Level 5/6 · Easy

Quantitative

Which picture comes next in the series?

CQ-PQ-NS-0669 Primary Number Series sample question
Choose the best answer:
Show explanation

The counts repeat in a three-part pattern: 3, 8, 1. After 3 comes 8.

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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