Addition and subtraction to 1,000
Learn to add and subtract 3-digit numbers — both mentally and in columns. Includes word problems.
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Available exercises
Column addition — 3 digits
Add two 3-digit numbers in columns. Remember to carry.
Column subtraction — 3 digits
Subtract two 3-digit numbers in columns. Remember to borrow.
Find the missing number to 1,000
One number in the sum is missing. Work out which one it is.
Addition and subtraction to 1,000
Add or subtract two 3-digit numbers. Switch between + and −.
Word problems to 1,000
Addition and subtraction word problems within 1,000.