Category Archives: Math Concepts

01-Understanding Fractions This unit begins by reviewing what a fraction is, which shouldn’t be too difficult, as they’ve been working with fractions for a few years now.  However, we take a day to bring it back up anyway.  In this … Continue reading →

Assignment: 09-Least Common Multiple Practice: 10-GCF LCM Practice Practice: 11-GCF LCM Practice Much like the GCF, if you understand the meaning of the words in Least Common Multiple, LCM, then you know what  you’re looking for.  Least meaning smallest, common meaning same, and … Continue reading →

Assignment: 08-Greatest Common Factor Practice 1: 10-GCF LCM Practice Practice 2: 11-GCF LCM Practice Greatest Common Factor, or GCF, is exactly what it sounds like it should be.  Greatest, meaning largest, common, meaning same, and factor being a number that divides into another, … Continue reading →

Remember that a factor is either a number you multiply to get a product, or a number that evenly divides into another.  Both mean basically the same thing, just worded a little different.  For this lesson, we  also need to … Continue reading →

Assignment: 07-Dividing by a Decimal To teach decimal division, I begin by telling the story of the Frog and the Dog.  the kids each create a picture like the one below: Once upon a time there was a dog who lived … Continue reading →

Assignments: 05-Dividing by a Whole Number This is the lesson where we do away with remainders.  No more will we say that a 30÷7=4r2.  Nope.  Now we follow a a bit more complex algorithm.  Let’s take a look at 196÷32.  With … Continue reading →

Assignment: 04-Factors_Multiples_Divisibility Factors - Numbers that are multiplied together to get a product; could also be defined as numbers that will evenly go into another. Example: List the factors of 18.  18′s factors are 1, 2, 3, 6, 9, and 18.  All … Continue reading →

Assignment: 06-Dividing Multi-digit Numbers The best tool to use when trying to solve a multi-digit multiplication problem as shown above is rounding.  Working with easier numbers will make the whole thing more bearable.  So, let’s say rather than 134, we’re working … Continue reading →

Assignments: 03-Multiply Decimals Similar to adding and subtracting decimals, multiplying decimals is very similar to multiplying multi-digit numbers, with the small twist of the decimal point.  In fact, when multiplying decimals, we ignore the decimal points in the beginning.  3.2×4.8 would … Continue reading →

Assignment: 02-Add and Subtract Decimals Adding and subtracting decimals is no different than adding and subtracting any multi-digit number.  The key thing to remember is you have to line up the decimal points.  From there, you just add from right to … Continue reading →