E-learning for Kids
E Learning for Kids: Math: Llama Farm: Addition and Subtraction
On this interactive site students learn to solve subtraction problems using a formal algorithm and to apply place value concepts.
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Operations With Money
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.
Other
Nearpod: Two Step Word Problems
In this lesson on two-step word problems, 3rd graders learn about estimation, explore different drawings, and apply their learning to create their own word problems.
AAA Math
Aaa Math: Estimation Rounding
This site explains how to round whole numbers. Gives problems and games to practice this skill.
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.
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: Rounding Numbers to the Nearest Ten
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.
AAA Math
Aaa Math: Round to Nearest Thousand
This site explains how to round whole numbers to the nearest thousand. Gives practice and games to master this skill.
AAA Math
Aaa Math: Round to Nearest Ten Thousand
This site explains how to round whole numbers to the nearest ten thousand. Gives exercises and games to practice this skill.
AAA Math
Aaa Math: Round to Nearest Hundred Thousand
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.
AAA Math
Aaa Math: Front End Estimation
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
National Council of Teachers of Mathematics
Nctm: Figure This: A Shard or Two
Archaeologists have just uncovered an ancient plate. They need your help to determine the original size of the plate. Try this challenge where you use concepts of symmetry and estimation to uncover the solution. An activity from the NCTM...
NumberNut
Number Nut: Estimate and Round Why Is This Important?
Problem solving will become a little easier when you understand the concepts of estimation and rounding. Explore how these concepts are used in mathematics and real world applications. Detailed examples and links to related games...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Estimation Contest
A lesson plan that teaches the power of estimation and its uses, a distinction between estimation and guessing.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Lesson: An Introduction to Estimation and Measurements
Pancakes anyone? Students explore estimation and measurement by learning how to make pancakes. A hands-on lesson plan designed for students in grades 3-5 where students are engage in hand-on experiences involving measuring volume,...
Project Britain
Primary Homework Help: Rounding to Nearest 10 or 100
The learning activity reviews rounding to the nearest ten or hundred. Students answer ten questions and can check their answers when finished.
Doina Popovici
Math Play: Estimate Quotients Halloween Math Game
An online game where students practice their estimation skills by estimating the answer to division problems.
A to Z Teacher Stuff
A to Z Teacher Stuff: Estimation Station (Lesson Plan)
A hands-on lesson plan for grades K-3 on estimation using goldfish crackers. Lesson used in conjunction with an oceans unit.
Other
Estimation!
This site offers a computer based tool to help students increase their skill in estimating by using a timer and numberline indicating how close their approximation was to the actual number.
Other
Pbs Teachers: Check It Out [Pdf]
Reinforce problem-solving, estimation, addition, and subtraction skills by playing a game in which students are required to use a checkbook to keep track of a vacation budget. Requires Adobe Reader. [PDF]
Iowa State University
Math Jeopardy
It's time for Jeopardy. Detailed directions and suggested game questions are given for Math Jeopardy. Questions are attached in a PDF file that can be downloaded and printed.
Channel 4 Learning
Channel 4 Maths: Mathszone
Can you help Ben and Mai escape their captors and foil the robbers' getaway plan? Test your mathematical aptitude in this captivating, interactive, adventure game that uses a PDA/calculator to solve math clues. Students will activate...
Sophia Learning
Sophia: Determining Uncertainty: Lesson 2
This lesson gives examples that will teach the learner how to determine the uncertainty in a measurement. It is 2 of 4 in the series titled "Determining Uncertainty."
Sophia Learning
Sophia: Estimating the Area of a Circle: Lesson 4
This lesson explains how triangles and parallelograms can be used to estimate the area of a circle. It is 4 of 4 in the series titled "Estimating the Area of a Circle."