Curated OER
Who Wants to Win Millions: Estimation and Rounding
Rounding numbers can be fun using this game. Learners estimate and round numbers to the tens, hundreds, and thousands using this presentation. What a clever way to review this concept.
Curated OER
Rounding
The two rules of rounding are expertly-covered in this math PowerPoint. Young mathematicians are instructed to look at the number to the right of the place value they must round to. If the number is 0-4, the number stays the same. If the...
Curated OER
Rounding up or Rounding down
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...
DataWorks
4th Grade Math: Multi-Step Word Problems
Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems.
Curated OER
Estimating
A good estimator usually has a good number sense. Make good estimators out of your class with this fun estimation activity. They review words that express estimation, estimate the number of three different sets, and then estimate the...
Curated OER
Read and Write Whole Numbers
This math presentation helps youngesters with reading and writing whole numbers, as well as becoming more familiar with mathematical language. They practice reading and writing large numbers, and review words such as "estimation,"...
Curated OER
Measures Combined
Use this resource to teach perimeter of regular plane shapes, measurement, rounding, and systematic problem solving skills. There are 78 complete slides and two game suggestions intended to facilitate content understanding.
Teach Engineering
Show Me the Money
Class members learn how to estimate the total costs involved to design and build a bridge by including design, material, equipment, and labor costs. The activity includes a discussion about the trade-off between cost and aesthetics.