Multiplying Three Digits by Three Digits
In this 3 digit multiplication instructional activity, 4th graders use multiplication to solve the 3 digit problems. Students solve 36 problems.
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Writing a Number in Expanded Form
Understanding place value is a basic mathematics skill. This Khan Academy video shows students how to write the number 14,897 in the expanded form. He explains that the 7 in the ones place is the same as 7x1, the 9 in the tens place is...
5 mins 3rd - 5th Math CCSS: Adaptable
Compare Decimals Using a Number Line
Check out how a number line can be used to compare decimals to the thousandths place in the second of three videos. The instructor helps avoid the pitfall of thinking that a longer number equals a number of greater value. She then...
2 mins 4th - 6th Math CCSS: Designed
Solve Subtraction Problems: Using Number Line
Number lines are great visual tools that can be used to teach a wide range of math topics. The final video of this series models how to use number lines when solving subtraction problems using the counting up strategy. Pause the video...
4 mins 2nd - 4th Math CCSS: Designed