Curated OER
Multiplying Decimals
In this math worksheet, students complete a page that provides a step by step explanation of how to multiply decimal numbers to the hundredths place. Students answer 8 questions and may choose some extension activities with a partner.
Curated OER
Radioactivity Experiments
Students study the difference between types of ionizing radiation and how elements are transmuted. They determine that radiation is normal and surrounds us. They calculate the amounts of alpha, beta and gamma radiation emitted from a...
Curated OER
Spending: Spend Wisely
Learners investigate the basics of pricing and the long-term effects of smart spending. They explore the "Bargain Basement" section of the ING website, read about a boy's ideal meal, complete a worksheet that compares the cost of eating...
Quia
Ixl Learning: Estimate Products
Estimate the product by rounding to the nearest ten before multiplying.
CK-12 Foundation
Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit
[Free Registration/Login may be required to access all resource tools.] In this lesson students use leading digits to estimate decimal products and quotients. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit
[Free Registration/Login may be required to access all resource tools.] In this lesson students round small decimals to the place value of the leading digit. Students examine guided notes, review guided practice, watch instructional...
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.
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.
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.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Estimating and Counting Money
The purpose of this lesson from the Illinois Institute of Technology is to review estimating and rounding to the nearest dollar as well as gain skills and practice in counting money. The students will define the meaning of estimate and...
ClassFlow
Class Flow: Estimating Sums and Differences
[Free Registration/Login Required] This flipchart is designed to teach third grade students the steps in estimating sums and differences. It also reviews rounding numbers to the nearest ten and hundred.
ClassFlow
Class Flow: Estimate Rounding
[Free Registration/Login Required] The teacher will use this lesson plan to review rounding, estimation, and computation.
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...