Estimate solutions to arithmetic problems in order to assess the reasonableness of results.
Number & Operation
Divide multi-digit numbers; solve real-world and mathematical problems using arithmetic.
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Round numbers to the nearest 10,000, 1000, 100 and 10. Round up and round down to estimate sums and differences.
Round numbers up to the nearest 10 and 100 and round numbers down to the nearest 10 and 100.
Estimate sums and differences up to 100.
Estimate products and quotients of multi-digit whole numbers by using rounding, benchmarks and place value to assess the reasonableness of results.
Round decimals to the nearest tenth.