10 free addition resources for 3rd Grade: 10 worksheets. Answers included.
Adding numbers, from counting on to multi-digit addition with regrouping. 3rd grade is a big year: students learn the multiplication facts, add and subtract three-digit numbers with regrouping, read time to the minute and begin unit fractions.
Students will practice: finding missing numbers; using the inverse relationship between addition and subtraction; checking answers; adding numbers mentally and in columns; adding with regrouping (trading); mental strategies: bridging through ten and near doubles; partitioning numbers to make a ten; adding and subtracting mentally.
Printable practice with an answer sheet.
Find the missing number in addition and subtraction number sentences, using the link between them. Builds confidence with the core skill…
Find the missing number in addition and subtraction number sentences, using the link between them. Expected-level practice for this grade.…
Find the missing number in addition and subtraction number sentences, using the link between them. A challenge set for students ready to…
Addition practice that scales from adding within 10 to multi-digit column addition with regrouping. A gentle first step with small numbers…
Addition practice that scales from adding within 10 to multi-digit column addition with regrouping. Builds confidence with the core skill…
Addition practice that scales from adding within 10 to multi-digit column addition with regrouping. Expected-level practice for this…
Addition practice that scales from adding within 10 to multi-digit column addition with regrouping. A challenge set for students ready to…
Practice bridging through ten, near doubles and compensation (add 10, take 1) by filling in each step of the strategy. Builds confidence…
Practice bridging through ten, near doubles and compensation (add 10, take 1) by filling in each step of the strategy. Expected-level…
Practice bridging through ten, near doubles and compensation (add 10, take 1) by filling in each step of the strategy. A challenge set for…
All addition worksheets, every grade →
Adding numbers, from counting on to multi-digit addition with regrouping. At 3rd Grade, our resources focus on: finding missing numbers; using the inverse relationship between addition and subtraction; checking answers; adding numbers mentally and in columns.
Start with the Level 1 or Level 2 worksheet, then move up a level. Finish with the topic test if there is one.
Yes — every worksheet has an answer sheet. Maths answer sheets show the working; English tasks include model answers or success criteria.
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