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Interactive
Scholastic

Study Jams! Estimate Whole Numbers

For Teachers 2nd - 4th Standards
Expand on prior knowledge of place value to teach your class how to round whole numbers. This essential skill is explained with the help of a number line before introducing the explicit rules for rounding numbers up and down. Work...
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PPT
Curated OER

Rounding up or Rounding down

For Teachers 1st - 2nd
Teach the class how to estimate by rounding to the nearest 10. They review the rules for rounding, try rounding a few numbers using a number line, then round on their own. This is a good introduction that explains how to round and why we...
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Lesson Plan
Curated OER

Place Value and Rounding

For Teachers 2nd - 3rd
Use rounding mountains and number lines to learn how to round numbers and learn place value. Learners will use a worksheet to help them round numbers. They will play a game called "Place Value Match-up" to help with skill practice. All...
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Worksheet
Curated OER

Math in English Skills V Exercise Book

For Students 1st - 6th
Long division, multiple-digit multiplication, rounding, and place values are all covered in a fantastic math packet. The packet contains over 20 worksheets and puzzles, and their answer keys, that will help remedial math learners in a...
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Activity
Pedago Net

Acing Math

For Teachers 2nd - 8th
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
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Lesson Plan
Curated OER

It's Close Enough: Rounding and Estimation

For Teachers 2nd
Second graders round to the closest five, ten, and hundred. They use place-value concepts of grouping based upon powers of ten (thousandths, hundredths, tenths, ones, tens, hundreds, thousands) within the decimal number system.
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Lesson Plan
Curated OER

Reversing Numbers

For Teachers 2nd
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
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Lesson Plan
Curated OER

Make a 100

For Teachers 2nd
Second graders develop an understanding of 100 and the quantity for which it stands and examine the relationship between 100 and 10 by estimating the number of jelly beans in a jar.
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Lesson Plan
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Laboratory for Atmospheric and Space Physics

Where Are We Going?

For Teachers 2nd - 6th Standards
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
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Lesson Plan
Curated OER

Can You Guess

For Teachers 2nd - 3rd
Students develop useful strategies for mental calculation when estimating possible addition solutions. They mentally perform calculations involving addition and subtraction. Students state the estimated sum or difference between numbers.
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Lesson Plan
Curated OER

M&M Graphing and Probability

For Teachers 1st - 5th
Students sort, classify, and graph M & M's. They create pictographs and bar graphs with the colors and numbers in each bag of M & M's. They calculate the ratio and probability based on class results.
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Lesson Plan
Curated OER

Decimal Fractions

For Teachers 2nd - 4th
Students use rounding and compensating with whole numbers and explain how to use the empty number line to show additions and subtractions. They round and compensate in relation to decimal subtraction Background
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Worksheet
Curated OER

Math in English Skills VII Exercise Book

For Students 1st - 6th
A great way to help struggling learners with long division is to provide graph paper. These worksheets provide handy boxes to help kids keep all that great work in the right order. It also provides over 20 worksheets to help pupils...
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Lesson Plan
NTTI

Putting Together Ten

For Teachers 1st - 2nd Standards
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
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Lesson Plan
Curated OER

Making Benchmarks - Mass

For Teachers 2nd - 5th
Elementary schoolers predict the mass for different objects. Then, using objects of 1kg mass, they make a more precise prediction. Afterwards, they discuss the need for having and using standard measures of mass.