Operations and Algebraic Thinking
solve multi-step word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted, represent these problems using equations with a letter standing for the unknown quantity and assess the reasonableness of answers using mental computation and estimation strategies including rounding. (CCSS Math.4.OA.3)
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- IXL: Rounding (Fourth grade - A.6)
- IXL: Divide 2-digit numbers by 1-digit numbers: interpret remainders (Fourth grade - E.7)
- IXL: Divide larger numbers by 1-digit numbers: interpret remainders (Fourth grade - E.11)
- IXL: Addition, subtraction, multiplication, and division word problems (Fourth grade - F.2)
- IXL: Estimate sums, differences, products, and quotients: word problems (Fourth grade - F.3)
- IXL: Multi-step word problems (Fourth grade - F.4)
- IXL: Word problems with extra or missing information (Fourth grade - F.5)
- IXL: Solve word problems using guess-and-check (Fourth grade - F.6)
- IXL: Choose numbers with a particular sum, difference, product, or quotient (Fourth grade - F.7)
- IXL: Write variable expressions: word problems (Fourth grade - G.2)
- IXL: Write variable equations to represent word problems (Fourth grade - G.5)