3rd grade
Subtraction Across Zeros
Fifteen problems like 400 − 167 and 3,005 − 1,248, where kids have to regroup across one or more zeros.
Math worksheet · Addition and subtraction practice
Four-Digit Addition and Subtraction
Fifteen stacked problems with thousands, hundreds, tens and ones, most with regrouping.
- 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. Start with the ones. Regroup when you need to!”
Teacher tip
Graph paper or a lined sheet turned sideways keeps the four columns straight.
How to use it
- Ask kids to circle the problems they are sure of first, then go back to the tricky ones.
- Keep a number line or hundred chart taped to the desk for kids who need it.
- 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
- Which strategy did you use: counting on, making ten or a doubles fact?
- 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 K–1
Picture Addition Within 10
Count two groups of dots and add them: eight picture problems with sums up to 10.
Grades 1–2
Addition Facts Within 20
Thirty addition facts with sums up to 20, mixed so kids can’t just count on from the last one.
Grades 1–2
Subtraction Facts Within 20
Thirty subtraction facts from 20 and below. Every answer is 0 or more.
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