First Grade Worksheets
Two-digit Mental Subtraction
Adding and subtracting 10s - No.6
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Subtracting tens up to 100 No.5
Adding and subtracting 10s - No.1
Subtracting tens No.4
Subtracting 10s up to 100 - No.3
Adding and subtracting 10s - No.4
Subtracting 10s up to 100 - No.2
Adding and subtracting 10s - No.3
At the swimming pool – Adding and subtraction of tens
Adding and subtracting 10s - No.2
Subtracting Two-Digit Numbers No.5