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Check out this FREE Trial Lesson on Addition for age 8-9!

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With answer key
Interactive
  • 8-9
  • Number Recognition
  • Addition
Adding up to 100: Page 61
Adding up to 100: Page 61

Adding up to 100: Page 61

Adding up to 100: Page 61
Worksheet
Adding 2-digit Numbers: Page 14
Adding 2-digit Numbers: Page 14

Adding 2-digit Numbers: Page 14

Adding 2-digit Numbers: Page 14
Worksheet
Adding up to 1000 with Regrouping: Page 58
Adding up to 1000 with Regrouping: Page 58
Adding up to 1000 with Regrouping: Page 58
Worksheet
Adding up to 50 Without Regrouping: Page 8
Adding up to 50 Without Regrouping: Page 8
Adding up to 50 Without Regrouping: Page 8
Worksheet
Adding up to 50 with Regrouping: Page 45
Adding up to 50 with Regrouping: Page 45
Adding up to 50 with Regrouping: Page 45
Worksheet
Adding up to 50 with Regrouping: Page 57
Adding up to 50 with Regrouping: Page 57
Adding up to 50 with Regrouping: Page 57
Worksheet
Adding up to 50 Without Regrouping: Page 33
Adding up to 50 Without Regrouping: Page 33
Adding up to 50 Without Regrouping: Page 33
Worksheet
Adding up to 50 Without Regrouping: Page 59
Adding up to 50 Without Regrouping: Page 59
Adding up to 50 Without Regrouping: Page 59
Worksheet
Adding up to 100: Page 43
Adding up to 100: Page 43

Adding up to 100: Page 43

Adding up to 100: Page 43
Worksheet
Adding up to 1000 with Regrouping: Page 14
Adding up to 1000 with Regrouping: Page 14
Adding up to 1000 with Regrouping: Page 14
Worksheet
Adding up to 1000: Page 39
Adding up to 1000: Page 39

Adding up to 1000: Page 39

Adding up to 1000: Page 39
Worksheet
Adding 2-digit Numbers: Page 60
Adding 2-digit Numbers: Page 60

Adding 2-digit Numbers: Page 60

Adding 2-digit Numbers: Page 60
Worksheet
Add one or ten worksheet
Add one or ten worksheet

Undersea Math Worksheet

Dive under the sea and practice addition with place value! This fun sea-themed math worksheet will help your child add ones and tens to 2-digit numbers. Kids need to practice to gain an understanding of math processes and this worksheet uses vibrant tropical fish to entertain and build important skills.
Undersea Math Worksheet
Worksheet
Adding up to 50 Without Regrouping: Page 28
Adding up to 50 Without Regrouping: Page 28
Adding up to 50 Without Regrouping: Page 28
Worksheet
Adding up to 1000 Without Regrouping: Page 22
Adding up to 1000 Without Regrouping: Page 22
Adding up to 1000 Without Regrouping: Page 22
Worksheet
Adding up to 1000 Without Regrouping: Page 49
Adding up to 1000 Without Regrouping: Page 49
Adding up to 1000 Without Regrouping: Page 49
Worksheet
Adding up to 1000 with Regrouping: Page 45
Adding up to 1000 with Regrouping: Page 45
Adding up to 1000 with Regrouping: Page 45
Worksheet
Adding up to 100: Page 27
Adding up to 100: Page 27

Adding up to 100: Page 27

Adding up to 100: Page 27
Worksheet
Adding up to 1000: Page 34
Adding up to 1000: Page 34

Adding up to 1000: Page 34

Adding up to 1000: Page 34
Worksheet
Adding up to 1000: Page 5
Adding up to 1000: Page 5

Adding up to 1000: Page 5

Adding up to 1000: Page 5
Worksheet
Adding up to 1000: Page 15
Adding up to 1000: Page 15

Adding up to 1000: Page 15

Adding up to 1000: Page 15
Worksheet
Adding up to 50 with Regrouping: Page 28
Adding up to 50 with Regrouping: Page 28
Adding up to 50 with Regrouping: Page 28
Worksheet
Adding up to 50: Page 25
Adding up to 50: Page 25

Adding up to 50: Page 25

Adding up to 50: Page 25
Worksheet
Adding up to 1000 Without Regrouping: Page 64
Adding up to 1000 Without Regrouping: Page 64
Adding up to 1000 Without Regrouping: Page 64
Worksheet


Number recognition and addition skills are fundamental building blocks for mathematical understanding in children aged 8-9. At this developmental stage, children transition from simple counting to more complex mathematical operations. Ensuring proficient number recognition helps children identify, understand, and manipulate numbers confidently. Inaccurate number recognition may lead to errors and confusion, impeding future learning progress.

Understanding addition is equally critical as it forms the basis for more advanced mathematical concepts like subtraction, multiplication, and division. Proficiency in addition enhances problem-solving skills and numerical fluency. For children aged 8-9, mastering these skills supports cognitive development, enabling them to address real-world situations involving numbers, such as handling money or measuring objects.

Moreover, early proficiency in these areas cultivates a positive attitude towards mathematics. Children who feel confident in their math skills are more likely to participate actively in class, further strengthening their competency. Parents and teachers play an essential role by creating a supportive learning environment, using engaging methods like educational games or interactive activities to make learning enjoyable.

Ultimately, prioritizing number recognition and addition not only influences academic success but also lays a strong foundation for lifelong numeracy skills, critical thinking, and self-confidence.