New ReviewA five-question interactive boosts proficiency in working with binary numbers. Multiple-choice, short answer, and discussion questions challenge mathematicians to write numbers 25 through 31in exponential and binary form. An adjustable...

New ReviewMathematicians answer five word problems in an interactive practice all about repaying money using division. A calendar and moveable dollar bills aides participants in finding solutions to multiple-choice, fill-in-the-blank, and...

New ReviewEstimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.

New ReviewAn interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 

New ReviewSix questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...

New ReviewNine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100. 

New ReviewComparing fractions is the focus of a five-question interactive in which mathematicians use oranges to answer real-world multiple-choice, true or false, and discussion questions. 

New ReviewAn interactive resource challenges mathematicians to show what they know about prime factorization. Five multiple-choice, true or false, and discussion questions use chocolate chip cookies to set a real-world application of the concept. 

New ReviewTen questions make up an interactive all about integers. Scholars answer multiple choice, short answer, and discussion questions using a 4x4 chessboard and dominoes.

New ReviewThere's got to be a better way. Scholars learn that the distributive property does work with subtraction and not just addition. Using that fact, the video shows how to find the product of two numbers by rewriting a complicated number as...

New ReviewWho pilfered the pin? Scholars practice measurement skills as they solve the mystery of a stolen pin. They measure length, temperature, and mass and determine which of select suspects committed the crime. During the STEM hands-on...

New ReviewBag the sweet resource for later use! Pupils learn about engineering design by developing a new, improved bag for candy from thin plastic sheets or from paper. The bags are to be visually appealing, but should also be functional. To...

New ReviewHere's a resource teachers won't want to wash their hands of. Given a task where a full bar of soap is on one side of a balance and 3/4 of a bar of soup and a 3/4-ounce weight is on the other side, young mathematicians must determine the...

New ReviewCould you develop your own way to add fractions with unlike denominators? An in-depth task has scholars examine a fictional conversation between several people in which they discuss a method of adding fractions with unlike denominators....

New ReviewIf the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...

New ReviewMultiplying fractions doesn't need to be a mystery. An interesting task has scholars question why the standard algorithm for multiplying fractions works for all fractions. It requires them to read a conversation about a solution method...

New ReviewThree heads are better than one. After reading a conversation between three friends about how to compare fractions, scholars analyze and discuss each presented strategy. These include using unit fractions, using benchmark fractions,...

New ReviewCatch me if you can. Scholars collect data on reaction time by catching a falling ruler or by using an Internet app. They determine the median of the data, create graphs, and analyze the results. They also compare their data to the rest...

New ReviewDoes lemonade taste better when yellow? A tasty experiment has scholars determine the answer to the question. It requires conducting a taste test with lemonades of different colors (from food coloring), and then collecting and analyzing...

New ReviewEveryone's a winner. Scholars analyze a spinner with five unequal sections, three of which represent winning a toy car and the other two represent winning a toy truck. They conduct an experiment to estimate the number of toy cars and...

New ReviewSpin to win a toy car. A fun activity has pupils use a spinner in which three of the equal sections represent winning a toy car, and the fourth section represents no car. They record the number of wins after certain numbers of spins,...

New ReviewSubtraction does not work with the commutative property ... or does it? Confronted with a difficult problem, the narrator realizes that by writing the subtractions as adding a negative, he can rearrange the problem. Pupils learn that as...

New ReviewUse reciprocals for the purpose of division. The video shows how to use reciprocals to rewrite division problems. Pupils see that the definition of division as the multiplication by the reciprocal works for all types of numbers. 

New ReviewIf there is something in addition to get to the identity, does the same exist for multiplication? Using negative numbers to talk about the identity of addition, the video asks the question whether something similar exists for...