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4th grade
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Place value of whole numbers
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Adding and subtracting multi-digit numbers
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Multiply and divide by 10
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Represent numbers within 1000 using place value blocks
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Convert between written forms of numbers
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Round whole numbers
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Estimating sums and differences by rounding
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Estimating products by rounding
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Multiplication and division
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Multiplication
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Quotients and remainders
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Pattern in the units digit of multiples
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Solve multiplication and division word problems
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Multi-step word problems
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Factors, multiples, and patterns
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Factor pairs
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Divisibility tests
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Prime and composite numbers
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Number patterns
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Equivalent fractions and comparing fractions
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Equivalent fractions
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Compare fractions with unlike numerators, denominators, or both
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Fraction arithmetic
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Round fractions
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Add and subtract fractions with like denominators
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Add fractions with denominators of 10 or 100
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Multiply fractions by whole numbers
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Understand decimals
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Compare decimals to hundredths
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Geometry
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Lines of symmetry
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Rotational symmetry
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Intro to angles
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Measuring and drawing angles
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Coterminal angles
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Naming angles
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Adjacent angles and the additive property of angles
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Units of measurement
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Converting larger units of volume to smaller ones
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Converting larger units of length to smaller ones
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Converting larger units of time to smaller ones
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Word problems involving measures
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4th grade
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Other resources
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Area and perimeter of a rectangle (grade 4)
Area and perimeter of a rectangle (grade 4): Practice
Khan Academy exercises
Area & perimeter of rectangles word problems
Khan Academy