E-learning for Kids
E Learning for Kids: Math: Igloo: Addition
It takes a lot of math to build an Igloo. Can you help Kirima? Students will learn to select and apply appropriate mental, written or calculator strategies to solve addition problems.
AAA Math
Aaa Math: Front End Estimation of Sums
Students use front-end estimation to solve addition problems. Learning exercises and games are provided to practice the skill.
Mangahigh
Mangahigh: Ice, Ice, Maybe: Fast Estimation With Basic Number Calculations
Practice your arithmetic skills as you estimate the answer to questions involving addition, subtraction, multiplication, and division. Includes whole numbers, fractions, and percents. As you answer questions, you guide penguins across an...
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Addition
On this interactive website students practice various math skills using a real life scenario at a hamburger restaurant. Those skills include adding two-digit numbers and three-digit numbers.
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.
AAA Math
Aaa Math: Aaa Math Lessons
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
AAA Math
Aaa Math: Front End Estimation
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
Khan Academy
Khan Academy: Multi Step Estimation Word Problems
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
National Council of Teachers of Mathematics
Nctm: Figure This: Beating Heart
Do you know how long it takes your heart to beat 100 times? Test your estimation and number sense skills with this problem-solving challenge. A one-page activity taken from the NCTM Math Challenges for Families Collection. Hints and...
E-learning for Kids
E Learning for Kids: Math: Bbq Party: Addition
Louis is having a barbecue at his school. There are also a lot of fun games to play! Make sure that everything is added up, so that everyone has a great time.
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.
Scholastic
Scholastic: Study Jams! Math: Addition and Subtraction: Estimate Sum, Difference
Complete this step by step lesson to estimate the sum and difference then test yourself.
Alabama Learning Exchange
Alex: Estimation Station
During this instructional activity, students will learn the difference between estimation and guessing. Knowing how to estimate is an essential skill that will help students determine approximate totals as well as check the...
AAA Math
Aaa Math: Addition Using Estimation
This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.
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.
Khan Academy
Khan Academy: Estimate to Add and Subtract Multi Digit Whole 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...
Teaching Treasures Publications
Teaching Treasures: Year Six Math (Page 2)
This interactive worksheet covers a wide range of math concepts such as Roman Numerals, distributive property, estimating sums, and comparing fractions and decimals. Some concepts may be slightly challenging. Learners can access the help...
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.
PBS
Nova Online: How Many Pearls? A Weight & Volume Game
This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills...
Other
Hubbard's Cupboard: If You Give a Mouse a Cookie
Math and literacy meet in this extensive lesson plan based on the familiar children's story, "If You Give a Mouse a Cookie." Learners will be engaged in math activities such as, "Cookie Count," "Who Took the Cookies," and "Cookie Jar...
Khan Academy
Khan Academy: 2 Step Word Problems
Solve two-step word problems with addition, subtraction, multiplication, and division. Some questions include estimation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Khan Academy
Khan Academy: Estimating With Adding Decimals
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.
Quia
Ixl Learning: Estimate Sums With Numbers Up to 100,000
Practice rounding numbers to the nearest ten to estimate the sum.