Math Drills
3-Digit Addition and Subtraction Review
A-4Word Problems (Addition)

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What this worksheet covers
Even at three digits, the column method still works one place at a time. Addition runs from no carrying up to two carries, subtraction covers no borrowing and one borrow, and the practice centers on fill-in-the-blank items and word problems in forms such as 3-digit plus 2-digit and 3-digit minus 3-digit.
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In 3-Digit + 2-Digit (Fill in the Blank), the two-digit number gets written flush with the hundreds column, and the answer is off by 100 or more. When the tens digit is 0 in subtraction, the two-stage borrow from the hundreds is skipped, leaving a 0 or a 9 in that place alone.
The column-calculation procedure, lining up places and starting from the ones digit, is unchanged from the method settled by 2-Digit Subtraction. Only the digit count grows to three here, and this same reasoning carries straight into Column Addition in grade 3, where carrying and borrowing happen more often.
- Addition (No Carrying) · Word Problems (3-Digit + 2-Digit, 3-Digit)2 questions
- Addition (1 Carry) · Word Problems (3-Digit + 2-Digit, 3-Digit)2 questions
- Addition (2 Carries) · Word Problems (3-Digit + 2-Digit)2 questions
Questions & answers
Problems and answers on this worksheet
These are the problems in “3-Digit Addition and Subtraction”, shown with their answers.
(1)School's pencil-case corner has 969 pencils. 10 more were newly received. In all, how many were there? Answer □
Answer: 979pencils
(2)There are 922 star decorations on the Christmas tree. Then 91 more were bought. How many are there in all? Answer □
Answer: 1013decorations
(3)On the Christmas tree, there are 949 star decorations. 34 more were newly bought. How many are there in all? Answer □
Answer: 983stars
(4)There are 194 erasers in the school's stationery drawer. Then 76 more were received. How many were there in all? Answer □
Answer: 270erasers
(5)At a toy store, there are 815 marbles. 63 more were received from the factory. In all, how many were there? Answer □
Answer: 878marbles
(6)At a big farm, 529 apples were picked. 38 more were given from the field next door. How many are there in all? Answer □
Answer: 567apples


















