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...
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
Multiplication Facts up to 10 X 10
Here is a presentation that's chock full of great tips on how to memorize multiplication facts, and how to calculate the area of shapes that aren't perfect squares or rectangles. Many good problems are in each of the slides. A great...
Curated OER
Consumer Economics: Building a Budget
I think most of us adults could use a tip or two on how to budget our personal finances. Pass on some valuable knowledge to your pupils as they move into the real world. The presentation provides three easy steps to creating a personal...
Curated OER
Year 5, Term 2, Unit 7
Here is a challenging presentation which should be tough for even your top math learners. In it, pupils view 86 slides which take them through many mathematical concepts such as doubling, halving, decimals, word problems, and converting...
Sophia Learning
Sophia: Estimating the Area of a Circle: Lesson 4
This lesson explains how triangles and parallelograms can be used to estimate the area of a circle. It is 4 of 4 in the series titled "Estimating the Area of a Circle."
Sophia Learning
Sophia: Order of Magnitude
This slide show presentation introduces the concept of order-of-magnitude, and how it is used to estimate large values in physics.
Sophia Learning
Sophia: Introduction to Estimating: Lesson 3
This lesson should help a learner understand why estimates are used when making calculations. It is 3 of 4 in the series titled "Introduction to Estimating."
Sophia Learning
Sophia: Order of Magnitude
A short introduction to the concept of order-of-magnitude, with an explanation of how it is used to make estimations in physics.