Use place value cards to practice rounding numbers to the nearest ten and hundred. Warm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line. Use place value ...

Rounding up a number always results in a figure that is equal to or larger than the original number. As an example, if you were computing the number of employees you needed to accomplish a project, ...

Let’s see what Jerry and Albert are buying for their holiday. Looking good! We should work out how much money they’ll need. Let’s make a rough estimate by rounding the costs to the nearest pound.

Learning to assess the reasonableness of an answer is an important mathematical skill. Learning to assess the reasonableness of an answer is an important mathematical skill. It’s your child’s way of ...

When you do not need to speak or write about exact quantities or measures, learning to round numbers to 10, 100 or 1,000 can be useful. It can make calculations easier and it also helps when you are ...