CCSS.Math.Content.4.NBT.B
The standard
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Common Core State Standards for Mathematics
What this standard means
Students need to add, subtract, multiply, and divide multi-digit numbers using place value, not just memorized steps. They should explain why a digit moves, why regrouping works, and how partial products or quotients connect to the size of the numbers.
Mastery looks like accurate computation with a strategy that matches the problem, plus a clear explanation using place value words. Students often get stuck when they line up numbers incorrectly, regroup without understanding, forget zeros in partial products, or treat division steps as magic instead of sharing by place value.
Ways to teach it
- Have students build 3-digit by 1-digit multiplication with base-ten blocks, then record matching partial products on paper.
- Ask students to explain which strategy they would use for 4,306 minus 1,879 and why it fits the numbers.
- Give three problems with one worked incorrectly, and have students find, fix, and explain the mistake.
- Use a grocery receipt total and cash payment to practice subtracting multi-digit amounts and checking with addition.
Plan a lesson for CCSS.Math.Content.4.NBT.B
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Related standards
- CCSS.Math.Content.1.NBT.C
Use place value understanding and properties of operations to add and subtract.
- CCSS.Math.Content.4.NBT.A
Generalize place value understanding for multi-digit whole numbers.
- CCSS.Math.Content.2.NBT.B
Use place value understanding and properties of operations to add and subtract.
- CCSS.Math.Content.3.NBT.A
Use place value understanding and properties of operations to perform multi-digit arithmetic.