Grades 1–2
Doubles and Doubles Plus One
Ten doubles facts (6 + 6) and ten near-doubles (6 + 7), with the doubles pictured so kids see the trick.
Math worksheet · Addition and subtraction practice
Three-Digit Addition and Subtraction
Fifteen three-digit problems with regrouping across the ones, tens and hundreds.
- Grade level
- 3rd grade
- Time
- About 25 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Addition and subtraction facts, Regrouping, Mental math strategies, Checking with the inverse
What kids do
“Add or subtract. Line up the ones, tens and hundreds. Regroup when you need to!”
Teacher tip
Graph paper under this sheet helps kids keep the hundreds, tens and ones lined up.
How to use it
- Use it as a timed sheet once a week and have kids chart their own score.
- Let partners check each other with a calculator after they finish.
- Do the first problem together under a document camera, then let kids finish on their own.
Watch for
Subtracting the smaller digit from the bigger one in each column (54 − 27 = 33). Ask kids to say “Can I take 7 from 4?” before they write.
Talk about it
- Show me one problem where you had to regroup. Why?
- Which problem was the hardest? What made it hard?
Take it further
Have kids make their own fact family triangles for a partner to solve.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
More addition and subtraction practice worksheets
Grades 1–2
Missing Addends
Twenty-four facts with a blank in the middle: 7 + ___ = 12. Count on or subtract to find the missing part.
Grades 1–2
Number Line Hops
Eight problems within 20, each with a number line. Kids draw the hops and land on the answer.
Grades 1–2
Fact Families: Add and Subtract
Six fact triangles. Kids write the two addition and two subtraction facts in each family.
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