Curated OER
Squirrel Challenge
Students utilize The Nature Park Adventure educational software program to Introduce Modelling, Including the Estimation of Angles.
Curated OER
Population Pyramids
Students utilize population pyramids to answer questions, make comparisons, draw conclusions and support predictions about the populations of China, India and the Unites States. They arrange numbers and symbolic information from various...
Curated OER
Inches and Feet
For this inches and feet worksheet, learners, with a partner, estimate and measure the answers to five word problems dealing with inches and feet.
Curated OER
How Much is a Million?
Students discover the magnitude of the number 100. The sense of the number is developed by allowing students to experience 100 by counting it, measuring it, feeling it, and doing it, hands-on
Curated OER
By the Numbers?
In this counting worksheet, learners read about counting and when it is appropriate to find an exact count of something, versus counting by ten to find an estimate. They then read 10 items that can be counted and indicate whether they...
Curated OER
Metric Capers
Students participate in a metric measurement game. In this metric system lesson, students evaluate metric measurements using various objects in their environment.
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. In this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about telling...
Curated OER
Marshmallows
Third graders estimate the volume and mass of one marshmallow using appropriate standard units. They design and carry out an investigation to find the average of volume/mass of one marshmallow.
AAA Math
Aaa Math: Front End Estimation of Sums
Students can practice estimating sums using front-end estimation in a series of self-check exercises and timed learning games.
ABCya
Ab Cya: Estimating
Soccer Math: Estimating is a fun way for kids to practice estimating sums, differences, products and quotients. There are different levels of difficulty in each exercise making the game appropriate for a variety of students and grades....
AAA Math
Aaa Math: Estimating a Sum
Students can practice estimating sums to the nearest thousand in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Estimating a Difference
Students can practice estimating differences in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Estimating a Sum by Rounding
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.
AAA Math
Aaa Math: Front End Estimation
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
Scholastic
Scholastic: Max's Math Adventures: A Sweet Story
In this Max's Math Adventure, estimate pieces of candy with Max, Ruthie, and Pop. Features include a teacher's guide, activity sheet, and extra challenges.
Primary Resources
Primary Resources: Rounding Numbers and Estimating
A large selection of teacher resources to help teach and review the concepts of rounding and estimating. There are many worksheets and a few PowerPoint presentations.
Quia
Ixl Learning: Rounding Numbers
Brush up on your math skills relating to rounding numbers then try some practice problems to test your understanding.
Quia
Ixl Learning: Estimating Products
Brush up on your math skills relating to estimating products then try some practice problems to test your understanding.
Project Britain
Primary Homework Help: Rounding to Nearest 100
The learning activity reviews rounding to the nearest hundred. Students answer ten questions and can check their answers when finished.
Khan Academy
Khan Academy: Estimating Length (In, Ft, Yd, and Mi)
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.
Khan Academy
Khan Academy: Estimating Volume (Cups, Pints, Quarts, and Gallons)
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.
AAA Math
Aaa Math: Estimating a Difference
This lesson explains how to estimate differences between whole numbers. Gives practice and games to practice this skill in a helpful and fun way.
AAA Math
Aaa Math: Estimating a Sum by Rounding
This site explains how to estimate sums of whole numbers. Gives practice and games to practice this skill.