Arithmetic and Pre-Algebra Teacher Resources
Most elementary and middle schools just call this "Math". Here we cover everything from counting, number operations, and fractions to evaluating basic expressions and equations. All of this adds up to preparation for the eventual study of Algebra.
Showing 217 - 240 of 285 resources
How Do You Subtract Fractions with Different Denominators?
3 mins 4th - 7th
Combining fractions with unlike denominators. Wait! You can't do that! You have to have common denominators to combine the numerator of fractions. Here's a quick review of changing the denominator by multiplying each fraction by that...
Fractions, Decimals, and Percentages Got You Down? "Tri" This!
6th - 7th
Students explore number sense by creating a math presentation in class. In this parts of a whole lesson, students define and discuss the relationship between fractions, decimals and percentages before completing a problem worksheet in...
How Do You Find a Value for x that Makes Two Lines Parallel?
3 mins 9th - 11th
So you have a transversal line intersecting two parallel lines and you are looking for a value that would make two corresponding angles congruent. You have all the information needed to write an equation to find the value. So write that...