American-Israeli Cooperative Enterprise
Jewish Virtual Library: Estimated Number of Jews Killed During World War Ii
Table broken down by country showing estimated numbers of Jewish people killed in each area during World War II.
Scholastic
Scholastic: Study Jams! Math: Numbers: Estimate Whole Numbers
This site provides great practice on the concept of estimating and rounding whole numbers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can...
Mangahigh
Mangahigh: Number: Estimates and Approximations
Estimate numbers by rounding whole numbers and decimals.
CK-12 Foundation
Ck 12: Arithmetic: Quotient Estimation With Mixed Numbers/fractions
[Free Registration/Login may be required to access all resource tools.] In this lesson students estimate quotients of fractions and mixed numbers using benchmarks and rounding. Students examine guided notes, review guided practice, watch...
Khan Academy
Khan Academy: Round Whole Numbers
Practice rounding whole numbers to the nearest hundred or thousand. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Texas Instruments
Texas Instruments: Estimating With Rational Numbers
In this activity, students will round fractions and mixed numbers, and then use their rounding skills to estimate sums, differences, products, and quotients.
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...
TED Talks
Ted: Ted Ed: A Clever Way to Estimate Enormous Numbers
Discover how powers of 10 can be used to estimate large numbers by watching this animated video. [4:15]
Quia
Ixl Learning: Estimate Sums With Numbers Up to 100,000
Practice rounding numbers to the nearest ten to estimate the sum.
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Whole Number
[Free Registration/Login may be required to access all resource tools.] Round whole numbers in order to estimate sums and differences.
Quia
Ixl Learning: Estimate Products
Estimate the product by rounding to the nearest ten before multiplying.
CK-12 Foundation
Ck 12: Arithmetic: Mixed Number Rounding to the Nearest Whole
[Free Registration/Login may be required to access all resource tools.] Round given mixed numbers to the nearest whole number.
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Whole Number
[Free Registration/Login may be required to access all resource tools.] Round whole numbers in order to estimate sums and differences.
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Whole Number
[Free Registration/Login may be required to access all resource tools.] Round and find compatible whole numbers in order to estimate products and quotients.
CK-12 Foundation
Ck 12: Arithmetic: Product With Whole Numbers and Fractions
[Free Registration/Login may be required to access all resource tools.] Estimate products of whole numbers multiplied by fractions.
CK-12 Foundation
Ck 12: Arithmetic: Product Estimation With Mixed Numbers/fractions
[Free Registration/Login may be required to access all resource tools.] Estimate products of fractions and mixed numbers using benchmarks.
Khan Academy
Khan Academy: Round Whole Numbers Word Problems
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.
CK-12 Foundation
Ck 12: Arithmetic: Estimation of Sums of Mixed Numbers and Fractions
[Free Registration/Login may be required to access all resource tools.] Estimate sums of fractions and mixed numbers
CK-12 Foundation
Ck 12: Arithmetic: Multiplication of Decimals and Whole Numbers
[Free Registration/Login may be required to access all resource tools.] Understand and evaluate the multiplication of decimals by whole numbers.
Fact Monster
Fact Monster: Rounding Numbers
The lesson explores how to round numbers. Explanations and examples are included in the tutorial.
CK-12 Foundation
Ck 12: Arithmetic: Product Estimation With Mixed Numbers/fractions
[Free Registration/Login may be required to access all resource tools.] Estimate products and quotients of fractions and mixed numbers.
Scholastic
Scholastic: Study Jams! Math: Problem Solving: Estimate Whole Numbers
This site provides great practice on the concept of estimating whole numbers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice...
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding to Estimate Sums and Differences
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences by rounding decimals to whole numbers.
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