A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...

This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.

Students can practice estimating sums using front-end estimation in a series of self-check exercises and timed learning games.

This site offers exercises and games for students to practice rounding whole numbers to the nearest ten thousand.

Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...

This site explains how to estimate differences by rounding. Games and exercises are provided to practice the skill.

Students can practice estimating sums to the nearest thousand in a series of self-check exercises and timed learning games.

Students can practice estimating differences in a series of self-check exercises and timed learning games.

This lesson explains how to estimate differences between whole numbers. Gives practice and games to practice this skill in a helpful and fun way.

This site explains how to round whole numbers to the nearest ten. The information on the site gives exercise problems and games to practice this skill in a fun and helpful way.

For example, estimate 12.93 + 6.1 to be 19. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice estimating the length of real life objects using US customary units. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice estimating the volume of real life objects using US customary units. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

On this interactive site students learn to round numbers to the nearest ten thousand, determine the place value of any digit, and use ordinal numbers.

Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

Students work in groups to investigate weather and estimating cloud cover. The activity explores estimation, spatial sense, fractions, and patterns. The resource consists of a lesson plan, group activity instructions, lesson overview,...

Practice estimating the mass of real life objects using grams and kilograms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This site explains how to round whole numbers. Gives problems and games to practice this skill.

This site explains how to round whole numbers to the nearest thousand. Gives practice and games to master this skill.

This site explains how to round whole numbers to the nearest ten thousand. Gives exercises and games to practice this skill.

This site explains how to round whole numbers to the nearest hundred thousand. Gives practice and games to practice this skill which are fun and helpful on the subject.

Sal estimates lengths using units of inches, feet, centimeters, and meters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints.

What are the common errors made when students take measurements and how can they be avoided? A good deal of vocabulary associated with measurement errors is explained. Tips are provided for the student and the teacher in hopes of...

Solve word problems by rounding whole numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.