4.NR.2.5
Solve multi-step problems using addition, subtraction, multiplication, and division involving whole numbers. Use mental computation and estimation strategies to justify the reasonableness of solutions.
Example Problems
Evaluate:
Evaluate:
Evaluate:
Khan Academy ResourcesMultiply without regroupingDivide multi-digit numbers by 2, 3, 4, and 5 (remainders)Multiply with regroupingMultiply 2-digit numbersDivide multi-digit numbers by 6, 7, 8, and 9 (remainders)Multiplication and division word problemsDivide using place valueCompare with multiplicationMultiply and divide by 10 Compare with multiplication word problemsDivide whole numbers by 10Multiply 2-digit numbers with area modelsMulti-step word problems with whole numbersDivide by 1-digit numbers with area modelsMultiply 3- and 4-digits by 1-digit with area modelsMultiply 2-digits by 1-digit with distributive propertyMultiply whole numbers by 10Comparing with multiplicationDivision using place valuePlace value when multiplying and dividing by 10 Dividing whole numbers by 10 Division with area models Multiplying whole numbers by 10 Using area model and properties to multiply

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