Mixed operations
Two digit addition and subtraction
Use a two-digit first operand and a one- or two-digit second operand in mixed vertical practice, with optional regrouping.
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Multi digit addition and subtraction
Mix vertical addition and subtraction with two through six digits, including focused no-regrouping and borrowing-into-zero practice.
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Read the operator, calculate from the ones column, and record any regrouping clearly.
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Choose the operations and the amount of support
Choose by the learner’s current skills. Mixing operations adds the task of recognizing a sign before choosing a method, even when the individual numbers are familiar.
The preview shows the first student page. Downloads contain the complete worksheet; the version with answers adds a separate key with matching problem positions. More spacious written-method practice may use several pages.
Learning objective
What this activity builds
Use place value and choose carrying or borrowing only when the column requires it.
Worked example
270 − 112 = ?
158
Borrow one ten to make ten ones, then subtract 2 ones, 1 ten and 1 hundred. The original zero ones column becomes a borrowing target.
Teaching notes
Make the practice count
- No regrouping applies to both carrying and borrowing.
- The two required-borrow options constrain subtraction only; addition may carry in those modes.
- Two through six digits share this page. Choose five or six digits for larger-number practice without changing the method.
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