Courseversity
Grade 4 · Addition and Subtraction
Every published lesson is listed here.
CV-PRI-G04-MATH-OPS-U01-L04
Mental computation
Use mental strategies: compensation, number bonds, making tens and breaking apart.
CV-PRI-G04-MATH-OPS-U01-L05Multistep problems
Solve multistep problems with addition and subtraction.
CV-PRI-G04-MATH-OPS-U01-L06Checking reasonableness
Check whether answers are reasonable using estimation and inverse operations.
CV-PRI-G04-MATH-OPS-U01-L01Large-number addition
Add large whole numbers with regrouping.
CV-PRI-G04-MATH-OPS-U01-L02Large-number subtraction
Subtract large whole numbers with regrouping across zeros.
CV-PRI-G04-MATH-OPS-U01-L03Estimation
Estimate sums and differences by rounding first.