Add and Subtract Integers (Grade 6)
Work with positive and negative numbers. Type negatives with a minus sign, like -5. Press Check answers when you finish.
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Addition & Subtraction
Add 3-Digit Numbers (Grade 3)
Add two 3-digit numbers. Press Check answers when you finish.
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Subtract 3-Digit Numbers (Grade 3)
Subtract 3-digit numbers. Press Check answers when you finish.
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Addition Within 10 (Grade 1)
Add two small numbers. The sum is never more than 10. Press Check answers when you finish.
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Subtraction Within 10 (Grade 1)
Take away to find the difference. Every answer is 9 or less. Press Check answers when you finish.
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Addition Within 20 (Grade 1)
Add numbers with sums up to 20. Press Check answers when you finish.
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Subtraction Within 20 (Grade 1)
Subtract from numbers up to 20. Press Check answers when you finish.
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Add 2-Digit Numbers (Grade 2)
Add two 2-digit numbers. Sums stay within 100. Press Check answers when you finish.
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Subtract 2-Digit Numbers (Grade 2)
Subtract one 2-digit number from another. Press Check answers when you finish.
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