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