Better Lesson
Better Lesson: Skittle Arrays
Skittles - yum!! You will instantly have your student's attention when you teach about arrays using Skittles. This detailed lesson walks you through the steps, provides worksheets for varying math levels, and includes a video of the...
Better Lesson
Better Lesson: What Is an Array?
Teach a lesson plan about repeated addition and arrays by using this very detailed lesson plan. The author walks you through the lesson plan step-by-step and even includes a video of her teaching about arrays for reference. Word problem...
Khan Academy
Khan Academy: Intro to Multiplication
Guided questions with explanations using equal groups, arrays, and repeated addition as an introduction to multiplication.
Other
Heinle: Newbury House Dictionary of American English
The Newbury House Dictionary provides simple and clear definitions. Also includes sample sentences, idioms, and a wide array of cultural facts and figures. Students may also view photographs related to the words.
TED Talks
Ted: Ted Ed: What on Earth Is Spin?
Why is the spinning motion so special? Brian Jones details the dizzyingly wide array of ways that spinning affects our lives. [3:57]
GeoGebra
Geo Gebra: Area Model: Multiplying Fractions
Explore this interactive to visualize what it means to multiply two fractions together. Use the sliders to change the numerators and denominators and move one fraction bar image on top of the other. The product is represented by the area...
National Council of Teachers of Mathematics
Nctm: Illuminations: Coin Box
Learn how to count, collect, exchange, and make change for coins by manipulating coins using an array representation.
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