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First Grade
Two-digit Mental Addition
Worksheets for 1st grade
Addition up to 100 - Worksheet No.1
Practice on Two-digit Mental Addition
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Worksheet series
Addition up to 100 - Worksheet No.1
Addition up to 100 - Worksheet No.2
Difficulty Level
Basic
Categories
Worksheets
Interactive
Grades
First Grade
Second Grade
Subjects
Two-digit Mental Addition
Two-digit Addition
Two-digit Addition Drills
Additional Practice
Interactive
Counting by 2s to 100 sheet 2
Interactive
Counting by 5s to 240 sheet 3
Interactive
Counting by 5s to 240 sheet 4
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 one digit to two digit numbers No.1
Interactive
Adding one digit to two digit numbers No.2
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