The teacher compares multi-digit numbers such as 350,000 and 53,000.

Transition from a place value chart to standard algorithm when adding multi-digit numbers.

Sal examines patterns in powers of 10. He also introduces the terms exponent and base.

Now that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems!

Learn to divide by 10, 100, and 1000 using powers of 10.

Learn about multiplying and dividing whole numbers by 10, 100, and 1000.

Addition with carrying warn up.

Learn about identifying spheres and counting in bundles of fives with the Odd Squad. Oscar and Otto know that centigurps love spheres, so the agents focus their search on places where spheres can be found. They put the captured...

Learn about place value with the Odd Squad. Agent Oscar shows us around the Odd Squad break room, where agents hang out while they're not working on cases. A gadget can multiply any amount of food by ten!

Olive and Otto learn about using zero in the ones and tens place of numbers to make numbers bigger. Will this help them track down the Number Hog?

Learn about comparing numbers in this fun clip from the Odd Squad. Ms. O desperately wants to get back on Santa's nice list before Christmas. With a little help from Oscar, will she get there in time?

Learn about comparing numbers in this fun clip from the Odd Squad. On Christmas Eve, Ms. O finds out that she is still on Santa's naughty list.

Olive and Otto show what zeros mean in the ones, tens, and hundreds place when trying to track down the disappearing zeros.

Learners solve basic word problems while exploring place value and adding and subtracting numbers with decimals. Level 3 of the WorkKeys Applied Mathematics

A 5th grade complete lesson with video instruction and exercises about decimals with three decimal digits. Includes writing them as fractions, place value & expanded form, and decimals on a number line.

Sal introduces place value using a toy with beads (an abacus).

This lesson explains that each digit in a decimal number has a value related to its positional representation. It is 2 of 10 in the series titled "Expanded Place Value of Decimals."

This lesson explains that each digit in a decimal number has a value related to its positional representation. It is 3 of 10 in the series titled "Expanded Place Value of Decimals."

This lesson explains that each digit in a decimal number has a value related to its positional representation. It is 7 of 10 in the series titled "Expanded Place Value of Decimals."

This lesson discusses numbers with a repeating or infinite decimal. It is 3 of 10 in the series titled "Repeating Decimal."

This lesson discusses numbers with a repeating or infinite decimal. It is 8 of 10 in the series titled "Repeating Decimal."

This lesson discusses numbers with a repeating or infinite decimal. It is 9 of 10 in the series titled "Repeating Decimal."

This lesson explains that each digit in a decimal number has a value related to its positional representation.

This place value video lesson illustrates the number 25 as two tens and five ones. [2:55]