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First Grade
Two-digit Mental Addition
First Grade Worksheets
Two-digit Mental Addition
Adding tens up to 100
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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
At the swimming pool – Addition and subtraction of tens
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Count by 10s No.1
Interactive
Adding and subtracting 10s - No.1
Interactive
Adding and subtracting 10s - No.2
Interactive
Adding and subtracting 10s - No.4
Interactive
Adding tens to two digit numbers
Interactive
Adding and subtracting 10s - No.5
Interactive
Subtracting tens up to 100 No.5
Interactive
Adding tens No.4
Interactive
Count by 10s No.2
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