Learn to lasso numbers with an estimation round-up! Rounding and estimation are tools that can help kids add or subtract large sums quickly. And it's a skill that they can use in everyday activities.
Adding large numbers can be tough for 2nd graders, but rounding makes it easy. Use rounding to the nearest 100 to make complicated addition problems simple.
Math whizzes can learn to estimate sums quickly using front-end estimation! Round to the highest place value and then add or subtract the rounded numbers.