Teaching 2-digit multiplication and estimation

STANDARDS TAUGHT Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Assess the reasonableness of answers using mental computation and estimation strategies including rounding. Required Supplies or Devices Computer and projector, smartboard or other…

Subtracting fractions with common denominators

Subtracting fractions with common denominators can be made simple. Just tell your students to follow the two steps below. We’ve also included some powerpoint and PDF files with examples in English and Spanish. If you come to this site often, you know we LOVE examples for teaching math. 3 simple steps to subtracting fractions with…

Adding and Subtracting fractions with a Common Denominator: Multi-step problems

 Students often struggle with multi-step problems for a lot of reasons. In my experience, the most common one is they stop too soon. For example, in the first lesson below, the student may add up the fractions of the rice gathered by each of the two sisters and stop there. However, the question asks, “How…

Equivalent Fractions: Lesson Plan

Begin the lesson with a definition Equivalent fractions are different fractions that name the same number. The numerator and the denominator of a fraction must be multiplied by the same nonzero whole number in order to have equivalent fractions. The presentations and videos below provide multiple explanations and examples. NOTE: This lesson plans follows the lesson on Introducing Fractions. If…