Adding and Subtracting Mixed Fractions (I)

In this 2-day lesson focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess board. Exponential...

Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math instructional activity. Using the coding formula listed, children learn to fluently estimate...

Think, question, brainstorm, and make your way through a newsletter full of puzzles and word problems. The resource includes 10 different newsletters, all with interesting problems, to give class members an out-of-the box...

Discover the joy and excitement of improving your math fluency through four different puzzles. Combine those with 25 different ways to represent numbers and you have hours of enjoyment that can be fun outside of the classroom as well.

This video on changing improper fractions to mixed numbers would nicely compliment the Khan Academy video on writing mixed numbers as improper fractions. Sal first shows students how to convert improper fractions. Then, he uses drawings...

In order to subtract mixed numbers, sometimes one may need to determine the least common multiple in order to find a common denominator. This is just what Sal does in this presentation. First, he shows how to find a common denominator...

You do not have to be whole to be important. Individuals watch a video on the importance of rational numbers on the number line. Scholars use their knowledge to rename numbers on the number line as well as place rationals on a number...

Upper graders solve math problems involving multiplication using specific strategies. They will use base-ten blocks, hundreds charts, and number lines to solve multiplication problems. Then they will practice several of the strategies...

Through four steps, three different time values for a 100-meter run are arranged on a number line in order to practice ordering decimal numbers. The price of two sports drinks are also compared. All of this comes in narrated and animated...

Use number lines to give kids a visual representation of various fractions. There are eight number lines provided, and each one grows in difficulty. The first one, for example, only has three points: zero, one half, and one. The last...