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

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With answer key
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  • 8-9
  • Number Recognition
  • Addition & Subtraction
Adding up to 100 with Regrouping: Page 2
Adding up to 100 with Regrouping: Page 2
Adding up to 100 with Regrouping: Page 2
Worksheet
Adding up to 1000 with Regrouping: Page 52
Adding up to 1000 with Regrouping: Page 52
Adding up to 1000 with Regrouping: Page 52
Worksheet
Adding up to 50: Page 33
Adding up to 50: Page 33

Adding up to 50: Page 33

Adding up to 50: Page 33
Worksheet
Adding up to 100 with Regrouping: Page 32
Adding up to 100 with Regrouping: Page 32
Adding up to 100 with Regrouping: Page 32
Worksheet
Adding up to 50: Page 27
Adding up to 50: Page 27

Adding up to 50: Page 27

Adding up to 50: Page 27
Worksheet
Adding up to 100: Page 35
Adding up to 100: Page 35

Adding up to 100: Page 35

Adding up to 100: Page 35
Worksheet
Adding up to 1000: Page 24
Adding up to 1000: Page 24

Adding up to 1000: Page 24

Adding up to 1000: Page 24
Worksheet
Adding up to 50 with Regrouping: Page 9
Adding up to 50 with Regrouping: Page 9
Adding up to 50 with Regrouping: Page 9
Worksheet
Adding up to 50 with Regrouping: Page 12
Adding up to 50 with Regrouping: Page 12
Adding up to 50 with Regrouping: Page 12
Worksheet
Adding up to 50: Page 9
Adding up to 50: Page 9

Adding up to 50: Page 9

Adding up to 50: Page 9
Worksheet
Adding 2-digit Numbers: Page 36
Adding 2-digit Numbers: Page 36

Adding 2-digit Numbers: Page 36

Adding 2-digit Numbers: Page 36
Worksheet
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 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 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 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


Number recognition, addition, and subtraction are foundational skills in mathematics, particularly for children aged 8-9. At this developmental stage, kids transition from basic counting to more complex mathematical operations, making it crucial for their academic growth.

Firstly, number recognition is paramount because it allows children to identify and work with numbers confidently. This forms the basis for all subsequent mathematical learning. If children struggle with recognizing numbers, they will find it challenging to engage in more advanced math lessons.

Addition and subtraction are equally critical as they are the building blocks for all future math concepts, including multiplication, division, fractions, and algebra. Mastery of these operations promotes logical thinking and problem-solving skills, essential not only in math but also in everyday life.

Moreover, early success in mathematics can boost a child's confidence and encourage a positive attitude towards learning. When children grasp these concepts early, they are more likely to enjoy math, participate actively in class, and perform better academically.

Parents' and teachers' involvement in this process cannot be understated. Providing supportive and engaging learning environments helps children practice and master these skills. Thus, focusing on number recognition, addition, and subtraction at this age is investing in a child's educational future and overall intellectual development.