Learners solve multiplication and division equations using estimation. They round numbers by calculating an estimate for each of the given sums. This would be a useful classroom resource.
4 Views 23 Downloads
Initial Fraction Ideas Lesson 23: Overview
Celebrate young mathematicians' ability to compare, add, and subtract fractions with this math review lesson. To demonstrate their newly acquired knowledge, children solve a series of fraction word problems, explaining their solutions in...
3rd - 6th Math CCSS: Adaptable
Study Jams! Estimate Sums & Differences of Whole Numbers
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
4th - 6th Math CCSS: Adaptable
Estimate Answers to Problems Involving Fractions Using Area Models
Smart mathematicians estimate answers to get a sense of whether their calculated answers make sense. Find out how to do this with area models in the first of five videos dedicated to assessing the reasonableness of word problem answers...
5 mins 4th - 6th Math CCSS: Designed
Make Estimates About a Population Using the Mean of Multiple Samples
When samples provide different sets of data, the best way to calculate a more precise answer is with the mean. The lesson provides three different samples of data from a population that your learners should be able to calculate and find...
6 mins 5th - 8th Math CCSS: Designed
Estimate to Check Reasonableness
Sometimes your learners solve for the wrong answer, but they won't know until they estimate to check. This video introduces four methods: rounding, clusters, "friendly" numbers, and front-end estimates. See how each type is demonstrated...
5 mins 6th - 8th Math CCSS: Designed
Estimate the Measure of an Angle Using Benchmark and One-Degree Angles
Have you ever wondered how to estimate the measurement of an angle? As you will see, angles are everywhere and because this is true, benchmarks can be used to compare and estimate an approximate measurement. First, the lesson reviews how...
6 mins 4th - 5th Math CCSS: Designed
Use Proportional Reasoning to Make Estimates About a Population
Proportions are an important part of the Common Core that are used in this video to make estimates about a population. The lesson relates sample t-shirt sizes to total t-shirt sizes and organizes the data in a proportion. The problem is...
4 mins 5th - 8th Math CCSS: Designed
Surveys and Estimating Large Quantities
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
6th - 12th Math CCSS: Designed