First Grade Worksheets
Two-digit Mental Addition
Adding and subtracting 10s - No.4
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Additional worksheets for your selection
Adding and subtracting 10s - No.2
Subtracting tens up to 100 No.5
At the swimming pool – Adding and subtraction of tens
Adding and subtracting 10s - No.3
Adding and subtracting 10s - No.1
Adding and Subtracting one digit from two-digit numbers No.2
Adding and subtracting two-digit numbers problems
Addition and subtraction problems Worksheet No.3
Adding and subtracting two-digit numbers No.2
Addition and subtraction problems Worksheet No.2