CK-12 Foundation
Ck 12: Arithmetic: Fraction Rounding to the Nearest Half
[Free Registration/Login may be required to access all resource tools.] Round given fractions to the nearest half.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Round to the Nearest Ten [Pdf]
Students will play a game using a deck of cards to further understanding of rounding to ten.
E-learning for Kids
E Learning for Kids: Math: Ice Cream Shop: Roman Numerals
On this interactive website students practice various math skills using a real life scenario at an ice cream shop. Those skills include identifying and converting Roman Numerals, identifying place value in a number, and sorting numbers...
Quia
Quia: Rounding Decimals Whole Numbers Concentration
Use this website to practice rounding decimals to the nearest whole numbers using a concentration game format.
ClassFlow
Class Flow: Rounding
[Free Registration/Login Required] In this flipchart, students apply estimation strategies to predict or determine the reasonableness of answers in situations involving computation on rational numbers in various forms including whole...
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.
ClassFlow
Class Flow: Rounding to the Nearest 10
[Free Registration/Login Required] This flipchart is an introduction/review for rounding to the nearest 10 in 2 and 3 digit numbers.
AAA Math
Aaa Math: Estimation Rounding
This site explains how to round whole numbers. Gives problems and games to practice this skill.
Shodor Education Foundation
Shodor Interactivate: Estimator Four
This applet game for two allows you to practice estimating at several different levels of accuracy. You can choose whole number addition, multiplication, percentages or any combination of the three.
Shodor Education Foundation
Shodor Interactivate: Lesson: Estimation
This lesson plan is designed to help students learn to make estimates. Resources are linked to help support the teacher and offer exploration and practice to students.
Shodor Education Foundation
Shodor Interactivate: Estimator Quiz
This activity allows the student to practice estimating the results of addition multiplication and percentage problems. The activity has 3 levels of challenge.
Khan Academy
Khan Academy: Probabilities in Genetics
Article reviews some probability basics then investigates how these calculations can be applied to genetics problems involving relatively large numbers of genes. Explores how the sum rule and the product rule can be used to solve these...
Khan Academy
Khan Academy: Approximating With Powers of 10
Practice comparing two real-world quantities by approximating them using rounding and powers of 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
CK-12 Foundation
Ck 12: Arithmetic: Mixed Number and Fraction Estimation
[Free Registration/Login may be required to access all resource tools.] Round fractions and mixed numbers in order to estimate sums and differences.
Beacon Learning Center
Beacon Learning Center: Let's Go Shopping
Students can practice estimation by rounding decimal numbers to the nearest dollar.
Knowledge Share
Super Kids: Math Worksheet Creator
The math worksheet creator allows teachers to create their own math drill worksheets. Teachers can select the type of problem, determine how many numbers they want to use and then just click a button and the worksheet is automatically...
Quia
Quia: Math Journey
In this online game London is your starting place! This game lets you practice addition, subtraction, multiplication, division and rounding as you "Travel," around the world. You can also choose the level of difficulty
ClassFlow
Class Flow: Number Sense Related to Division
[Free Registration/Login Required] This flipchart introduces divisibility, primes and composites, averages, and estimating quotients.
Khan Academy
Khan Academy: Whole Numbers in Written Form Review
Presents an example of a number converted into its expanded place value form and its word form. Includes several practice questions along with explanations of solutions.
Khan Academy
Khan Academy: Round Decimals Using a Number Line
Practice using a number line to round decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Round Decimals Challenge
Round decimals using number lines. Select numbers that round to a given value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Round Decimals
Round decimals and whole numbers to the nearest thousand, hundred, ten, one, tenth, or hundredth. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Is Fun
Math Is Fun: Decimals
A good introduction to decimals, which includes a definition of place value and several examples of decimal numbers. Follow links at the bottom of this page to access decimal worksheets as well as information on rounding numbers, adding...
ClassFlow
Class Flow: How to Round
[Free Registration/Login Required] Instruction, activity, and assessment are all covered in this flipchart on how to round numbers to different place values.
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