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Standards:: Number Sense and Number Systems
By the end of grade 4, students will:
Have an intuitive understanding of rational numbers.
Justify the appropriateness of a method of approximation or calculation and verify the reasonableness of a result.
Represent and use numbers (integers, fractions, decimals, exponents, and scientific notation).
Represent and apply ratios, proportions, and percents.
Demonstrate how basic arithmetic operations are related to one another.
Demonstrate the composition and decomposition of numbers (primes, factors, and multiples).
Investigate and represent number relations, using various types of graphs.