In this numbers worksheet, 3rd graders practice rounding off 100 numbers between 0 and 500 to the nearest tens place. Students write their answers on the lines next to each number.

In this rounding off worksheet, students round off 5 numbers to the nearest million and redraw a chart rounding off 5 areas to the nearest million square km.

In this Christmas math worksheet, students color the pictures by rounding the numbers in each space and coloring them according to the key. Students follow 4 steps to complete the picture.

Fourth graders explore number sense by completing word problems in class. For this estimation lesson, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on the concept of...

Second graders explore estimation and rounding concepts using goldfish crackers and a song! They solve problems by estimating and rounding numbers and pick numbers within reason to represent certain objects.

For this problem solving worksheet, 2nd graders practice rounding off 15 2 and 3 digit whole numbers to the nearest ten. Students write their answers on the lines provided.

Fifth graders explore how people handle remainders in real life. In this remainders math lesson, 5th graders participate in skits to show what to do with remainders. Students complete worksheets with word problems.

Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...

Students discover the ability to estimate based on viewing photographs of objects.  In this number sense lesson, students view photographs of numerous objects in which they must train their eyes to create an educated guess of how...

Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.

Here is a good, cross-curricular measurement and estimation lesson. Learners practice measuring paper strips to create an art project. This is a great way to introduce the ruler, and how it used, to your learners.