2nd grade addition & subtraction worksheets
12 addition & subtraction skills at 2nd grade, one sheet each, free with its answer key: addition mad minute, addition within 20, addition with regrouping, and more.
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Facts & fluency
- Addition mad minute Work fast and left to right. Skip a hard one and come back; the clock does not wait.
- Addition within 20 Make a ten first when you can. It turns hard facts like 9 + 6 into easy ones like 10 + 5.
- Balancing equations The equal sign means both sides are the same amount, so check that they balance.
- Fact families The three numbers in the roof are a family. Write all four facts they make together.
- Missing addends Find the number that makes the equation true. Count up from the part you already know.
- Subtraction within 20 Think addition to subtract: for 13 − 8, ask what you add to 8 to make 13.
Multi-digit addition & subtraction
- Addition with regrouping Add the ones first. When they make ten or more, write the ones digit and carry the ten to the next column.
- Mental math Turn hard numbers into friendly ones: to add 29, add 30 and then take 1 back.
- Subtraction with regrouping If the top digit is smaller, borrow: take one ten from the next column and add ten to the digit you are subtracting from.
- Three-digit addition & subtraction Check the sign first, then work one column at a time starting from the ones.
- Two-digit addition Add the ones first. If they make ten or more, carry a ten to the tens column.
- Two-digit subtraction with regrouping If the top ones digit is too small, trade one ten for ten ones before you subtract.
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More 2nd grade math: Counting & place value · Word problems · Shapes & angles · Measurement · Data & graphing
Addition & subtraction at other grades: K · 1st · 3rd · 4th · 7th