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Worksheets
First Grade
Two-digit Mental Addition
Worksheets for 1st grade
Adding tens up to 100
Practice on Two-digit Mental Addition
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Difficulty Level
Basic
Category
Worksheets
Grades
First Grade
Second Grade
Subjects
Two-digit Mental Addition
Two-digit Addition
Adding Tens
Additional Practice
Interactive
Count by 10s No.1
Interactive
Count by 10s No.2
Interactive
Adding tens to two digit numbers
Interactive
Adding tens No.4
Interactive
At the swimming pool – Addition and subtraction of tens
Interactive
Adding and subtracting 10s - No.1
Interactive
Adding and subtracting 10s - No.2
Interactive
Adding and subtracting 10s - No.3
Interactive
Adding and subtracting 10s - No.4
Interactive
Adding and subtracting 10s - No.5
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