Rounding Whole Numbers: Pretend you are a cowboy at the math skills round-up. Practice rounding whole numbers from two to six digits and rounding these to the nearest 10, 100, 1,000 or 10,000. Estimating Addition and Subtraction Problems: Build brain power rounding up whole numbers to solve addition and subtraction problems. From a series of problems round up the numbers and add their estimates to find the correct answer. Estimating Multiplication: Strive for excellence! Round up numbers of up to four digits and multiply their estimates to solve various multiplication problems. Estimating Answers for Division: Build a complete understanding of estimation! Given two digit divisions and up to six digit numbers to be divided, you must round them and divide their estimates. Rounding Decimal Numbers: It's round up at the old number line! Presented with a number line, you must move the computer cursor to the point closest to the decimal number.
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