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Class 1 addition worksheet focusing on sums up to 20, with problems like 11+1, 12+1, etc., presented in a playful format with a rainbow and cloud design.

Addition worksheet for Class 1 with sums up to 20, featuring 9 problems involving adding 1 to numbers 11-19, designed with a colorful rainbow and cloud theme.

Addition worksheet for Class 1 with sums up to 20, featuring 9 problems involving adding 1 to numbers 11-19, designed with a colorful rainbow and cloud theme.

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